diff --git a/src/Battling/Pokemon/Pokemon.cpp b/src/Battling/Pokemon/Pokemon.cpp
index 112e82f..3fd460f 100644
--- a/src/Battling/Pokemon/Pokemon.cpp
+++ b/src/Battling/Pokemon/Pokemon.cpp
@@ -62,7 +62,7 @@ CreatureLib::Battling::Creature* PkmnLib::Battling::Pokemon::Clone() const {
         c->_status = _status.GetValue()->Clone(c);
     }
     _volatile.Clone(c, c->_volatile);
-    c->_types = std::vector<u8>(_types);
+    c->_types = ArbUt::List<u8>(_types);
     c->_friendship = _friendship;
     c->RecalculateFlatStats();
 
diff --git a/src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp b/src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp
index aea17ec..7a13139 100644
--- a/src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp
+++ b/src/ScriptResolving/AngelScript/TypeRegistry/Battling/RegisterPokemonClass.cpp
@@ -70,7 +70,7 @@ static const ArbUt::StringView& GetActiveAbilityWrapper(PkmnLib::Battling::Pokem
     return p->GetActiveTalent()->GetName();
 }
 
-static size_t GetTypesLengthWrapper(PkmnLib::Battling::Pokemon* p) { return p->GetTypes().size(); }
+static size_t GetTypesLengthWrapper(PkmnLib::Battling::Pokemon* p) { return p->GetTypes().Count(); }
 static uint8_t GetTypeWrapper(PkmnLib::Battling::Pokemon* p, size_t index) { return p->GetTypes()[index]; }
 
 #if defined(__clang__)
diff --git a/src/ScriptResolving/WASM/InterfaceMethods/Battling/WASMPokemonRegistry.cpp b/src/ScriptResolving/WASM/InterfaceMethods/Battling/WASMPokemonRegistry.cpp
new file mode 100644
index 0000000..802ed3a
--- /dev/null
+++ b/src/ScriptResolving/WASM/InterfaceMethods/Battling/WASMPokemonRegistry.cpp
@@ -0,0 +1,232 @@
+#include "WASMPokemonRegistry.hpp"
+#include "../../../../Battling/Pokemon/Pokemon.hpp"
+#include "../WASMHelperFile.hpp"
+#include "wasm.h"
+using namespace CreatureLib::Battling;
+using namespace PkmnLib::Battling;
+
+wasm_func_t* Pokemon_ChangeForme(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, const CreatureLib::Library::SpeciesVariant*>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, const CreatureLib::Library::SpeciesVariant* forme) {
+            pokemon->ChangeVariant(forme);
+        }});
+}
+
+wasm_func_t* Pokemon_HasHeldItemByHash(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<bool, Pokemon*, u32>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, u32 itemHash) -> bool {
+            return pokemon->HasHeldItem(itemHash);
+        }});
+}
+
+wasm_func_t* Pokemon_SetHeldItemByHash(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, u32>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, u32 itemHash) {
+            return pokemon->SetHeldItemByHash(itemHash);
+        }});
+}
+
+wasm_func_t* Pokemon_ConsumeHeldItem(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<bool, Pokemon*>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon) -> bool { return pokemon->ConsumeHeldItem(); }});
+}
+
+wasm_func_t* Pokemon_GetNickname(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<u32, Pokemon*>(
+        resolver, {[](WebAssemblyScriptResolver* res, Pokemon* pokemon) -> u32 {
+            const auto& nickname_opt = pokemon->GetNickname();
+            if (!nickname_opt.has_value()) {
+                return 0;
+            }
+            // Allocate a string in wasm memory, and copy the nickname to it.
+            const auto& nickname = nickname_opt.value();
+            auto ptrs = res->AllocateMemory(sizeof(char) * nickname.length(), alignof(char));
+            strncpy((char*)ptrs.first, nickname.data(), nickname.length());
+            ptrs.first[nickname.length()] = 0;
+            return ptrs.second;
+        }});
+}
+
+wasm_func_t* Pokemon_GetRealAbility(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<const ArbUt::BorrowedPtr<const CreatureLib::Library::Talent>&, Pokemon*>(
+        resolver, {[](WebAssemblyScriptResolver*,
+                      Pokemon* pokemon) -> const ArbUt::BorrowedPtr<const CreatureLib::Library::Talent>& {
+            return pokemon->GetForme()->GetAbility(pokemon->GetRealTalent());
+        }});
+}
+
+wasm_func_t* Pokemon_HasType(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<bool, Pokemon*, u8>(
+        resolver,
+        {[](WebAssemblyScriptResolver*, Pokemon* pokemon, u8 typeId) -> bool { return pokemon->HasType(typeId); }});
+}
+
+wasm_func_t* Pokemon_SetType(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, u8, u8>(
+        resolver,
+        {[](WebAssemblyScriptResolver*, Pokemon* pokemon, u8 index, u8 typeId) { pokemon->SetType(index, typeId); }});
+}
+
+wasm_func_t* Pokemon_Damage(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, u32, DamageSource>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, u32 damage, DamageSource source) {
+            pokemon->Damage(damage, source);
+        }});
+}
+
+wasm_func_t* Pokemon_Heal(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, u32, bool>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, u32 amount, bool canRevive) {
+            pokemon->Heal(amount, canRevive);
+        }});
+}
+
+wasm_func_t* Pokemon_RestoreAllPP(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon) { pokemon->RestoreAllAttackUses(); }});
+}
+
+wasm_func_t* Pokemon_OverrideActiveAbility(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, const char*, size_t>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, const char* abilityName, size_t abilityNameLength) {
+            auto sv = ArbUt::StringView(abilityName, abilityNameLength);
+            pokemon->OverrideActiveTalent(sv);
+        }});
+}
+
+wasm_func_t* Pokemon_AddVolatileScript(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<BattleScript*, Pokemon*, const char*, size_t>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, const char* scriptName, size_t scriptNameLength) {
+            auto sv = ArbUt::StringView(scriptName, scriptNameLength);
+            return pokemon->AddVolatileScript(sv);
+        }});
+}
+
+wasm_func_t* Pokemon_RemoveVolatileScriptByHash(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, u32>(
+        resolver,
+        {[](WebAssemblyScriptResolver*, Pokemon* pokemon, u32 hash) { pokemon->RemoveVolatileScriptByHash(hash); }});
+}
+
+wasm_func_t* Pokemon_HasMoveByHash(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<bool, Pokemon*, u32>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, u32 hash) -> bool {
+            return pokemon->HasAttackByHash(hash);
+        }});
+}
+
+wasm_func_t* Pokemon_SetStatus(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, const char*, size_t>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, const char* statusName, size_t statusNameLength) {
+            auto sv = ArbUt::StringView(statusName, statusNameLength);
+            pokemon->SetStatus(sv);
+        }});
+}
+
+wasm_func_t* Pokemon_ClearStatus(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon) { pokemon->ClearStatus(); }});
+}
+
+wasm_func_t* Pokemon_SetDisplaySpecies(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, CreatureLib::Library::CreatureSpecies*>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, CreatureLib::Library::CreatureSpecies* species) {
+            pokemon->SetDisplaySpecies(species);
+        }});
+}
+
+wasm_func_t* Pokemon_SetDisplayForme(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, CreatureLib::Library::SpeciesVariant*>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, CreatureLib::Library::SpeciesVariant* variant) {
+            pokemon->SetDisplayVariant(variant);
+        }});
+}
+
+wasm_func_t* Pokemon_ChangeStatBoost(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void, Pokemon*, CreatureLib::Library::Statistic, i8, bool>(
+        resolver, {[](WebAssemblyScriptResolver*, Pokemon* pokemon, CreatureLib::Library::Statistic stat, i8 diffAmount,
+                      bool selfInflicted) { pokemon->ChangeStatBoost(stat, diffAmount, selfInflicted); }});
+}
+
+void WASMPokemonRegistry::Register(ArbUt::Dictionary<std::string, wasm_func_t*>& externs,
+                                   WebAssemblyScriptResolver* resolver) {
+    REGISTER_GETTER("pokemon_get_library", Creature, GetLibrary, resolver)
+    REGISTER_GETTER("pokemon_get_species", Creature, GetSpecies, resolver)
+    REGISTER_GETTER("pokemon_get_display_species", Creature, GetDisplaySpecies, resolver)
+    REGISTER_GETTER("pokemon_get_forme", Creature, GetVariant, resolver)
+    REGISTER_GETTER("pokemon_get_display_forme", Creature, GetDisplayVariant, resolver)
+    externs.Insert("pokemon_set_display_species", Pokemon_SetDisplaySpecies(resolver));
+    externs.Insert("pokemon_set_display_forme", Pokemon_SetDisplayForme(resolver));
+    REGISTER_GETTER("pokemon_get_level", Creature, GetLevel, resolver)
+    REGISTER_GETTER("pokemon_get_experience", Creature, GetExperience, resolver)
+    REGISTER_GETTER("pokemon_get_unique_identifier", Creature, GetUniqueIdentifier, resolver)
+    REGISTER_GETTER("pokemon_get_gender", Creature, GetGender, resolver)
+    REGISTER_GETTER("pokemon_get_coloring", Creature, GetColoring, resolver)
+    REGISTER_GETTER("pokemon_get_held_item", Creature, GetHeldItem, resolver)
+    REGISTER_GETTER("pokemon_get_current_health", Creature, GetCurrentHealth, resolver)
+    REGISTER_GETTER("pokemon_get_weight", Creature, GetWeight, resolver)
+    REGISTER_GETTER("pokemon_get_height", Creature, GetHeight, resolver)
+    externs.Insert("pokemon_get_nickname", Pokemon_GetNickname(resolver));
+    externs.Insert("pokemon_get_real_ability", Pokemon_GetRealAbility(resolver));
+    REGISTER_GETTER("pokemon_get_active_ability", Creature, GetActiveTalent, resolver)
+    REGISTER_GETTER("pokemon_is_useable", Creature, IsUsable, resolver)
+    REGISTER_GETTER("pokemon_is_fainted", Creature, IsFainted, resolver)
+    REGISTER_GETTER("pokemon_get_types", Creature, GetTypes, resolver)
+    externs.Insert("pokemon_has_type", Pokemon_HasType(resolver));
+    externs.Insert("pokemon_set_type", Pokemon_SetType(resolver));
+    REGISTER_GETTER("pokemon_get_max_health", Creature, GetMaxHealth, resolver)
+    externs.Insert("pokemon_damage", Pokemon_Damage(resolver));
+    externs.Insert("pokemon_heal", Pokemon_Heal(resolver));
+    externs.Insert("pokemon_restore_all_pp", Pokemon_RestoreAllPP(resolver));
+    externs.Insert("pokemon_override_active_ability", Pokemon_OverrideActiveAbility(resolver));
+    externs.Insert("pokemon_add_volatile_script", Pokemon_AddVolatileScript(resolver));
+    externs.Insert("pokemon_remove_volatile_script_by_hash", Pokemon_RemoveVolatileScriptByHash(resolver));
+    externs.Insert("pokemon_has_move_by_hash", Pokemon_HasMoveByHash(resolver));
+    REGISTER_GETTER("pokemon_get_moves", Creature, GetAttacks, resolver)
+    externs.Insert("pokemon_set_status", Pokemon_SetStatus(resolver));
+    externs.Insert("pokemon_clear_status", Pokemon_ClearStatus(resolver));
+    REGISTER_GETTER("pokemon_get_status_name", Creature, GetStatusName, resolver)
+
+    externs.Insert("pokemon_change_forme", Pokemon_ChangeForme(resolver));
+    externs.Insert("pokemon_has_held_item_by_hash", Pokemon_HasHeldItemByHash(resolver));
+    externs.Insert("pokemon_set_held_item_by_hash", Pokemon_SetHeldItemByHash(resolver));
+    externs.Insert("pokemon_consume_held_item", Pokemon_ConsumeHeldItem(resolver));
+    externs.Insert("pokemon_change_stat_boost", Pokemon_ChangeStatBoost(resolver));
+
+    REGISTER_GETTER("pokemon_get_flat_health", Creature, GetFlatStat<CreatureLib::Library::Statistic::Health>, resolver)
+    REGISTER_GETTER("pokemon_get_flat_attack", Creature, GetFlatStat<CreatureLib::Library::Statistic::PhysicalAttack>,
+                    resolver)
+    REGISTER_GETTER("pokemon_get_flat_defense", Creature, GetFlatStat<CreatureLib::Library::Statistic::PhysicalDefense>,
+                    resolver)
+    REGISTER_GETTER("pokemon_get_flat_special_attack", Creature,
+                    GetFlatStat<CreatureLib::Library::Statistic::MagicalAttack>, resolver)
+    REGISTER_GETTER("pokemon_get_flat_special_defense", Creature,
+                    GetFlatStat<CreatureLib::Library::Statistic::MagicalDefense>, resolver)
+    REGISTER_GETTER("pokemon_get_flat_speed", Creature, GetFlatStat<CreatureLib::Library::Statistic::Speed>, resolver)
+
+    REGISTER_GETTER("pokemon_get_boosted_health", Creature, GetBoostedStat<CreatureLib::Library::Statistic::Health>,
+                    resolver)
+    REGISTER_GETTER("pokemon_get_boosted_attack", Creature,
+                    GetBoostedStat<CreatureLib::Library::Statistic::PhysicalAttack>, resolver)
+    REGISTER_GETTER("pokemon_get_boosted_defense", Creature,
+                    GetBoostedStat<CreatureLib::Library::Statistic::PhysicalDefense>, resolver)
+    REGISTER_GETTER("pokemon_get_boosted_special_attack", Creature,
+                    GetBoostedStat<CreatureLib::Library::Statistic::MagicalAttack>, resolver)
+    REGISTER_GETTER("pokemon_get_boosted_special_defense", Creature,
+                    GetBoostedStat<CreatureLib::Library::Statistic::MagicalDefense>, resolver)
+    REGISTER_GETTER("pokemon_get_boosted_speed", Creature, GetBoostedStat<CreatureLib::Library::Statistic::Speed>,
+                    resolver)
+
+    REGISTER_GETTER("pokemon_get_stat_boost_health", Creature, GetStatBoost<CreatureLib::Library::Statistic::Health>,
+                    resolver)
+    REGISTER_GETTER("pokemon_get_stat_boost_attack", Creature,
+                    GetStatBoost<CreatureLib::Library::Statistic::PhysicalAttack>, resolver)
+    REGISTER_GETTER("pokemon_get_stat_boost_defense", Creature,
+                    GetStatBoost<CreatureLib::Library::Statistic::PhysicalDefense>, resolver)
+    REGISTER_GETTER("pokemon_get_stat_boost_special_attack", Creature,
+                    GetStatBoost<CreatureLib::Library::Statistic::MagicalAttack>, resolver)
+    REGISTER_GETTER("pokemon_get_stat_boost_special_defense", Creature,
+                    GetStatBoost<CreatureLib::Library::Statistic::MagicalDefense>, resolver)
+    REGISTER_GETTER("pokemon_get_stat_boost_speed", Creature, GetStatBoost<CreatureLib::Library::Statistic::Speed>,
+                    resolver)
+}
diff --git a/src/ScriptResolving/WASM/InterfaceMethods/Battling/WASMPokemonRegistry.hpp b/src/ScriptResolving/WASM/InterfaceMethods/Battling/WASMPokemonRegistry.hpp
new file mode 100644
index 0000000..5b152e3
--- /dev/null
+++ b/src/ScriptResolving/WASM/InterfaceMethods/Battling/WASMPokemonRegistry.hpp
@@ -0,0 +1,10 @@
+#ifndef PKMNLIB_WASMPOKEMONREGISTRY_HPP
+#define PKMNLIB_WASMPOKEMONREGISTRY_HPP
+#include "../../WebAssemblyScriptResolver.hpp"
+
+class WASMPokemonRegistry {
+public:
+    static void Register(ArbUt::Dictionary<std::string, wasm_func_t*>& externs, WebAssemblyScriptResolver* resolver);
+};
+
+#endif // PKMNLIB_WASMPOKEMONREGISTRY_HPP
diff --git a/src/ScriptResolving/WASM/InterfaceMethods/TypeRegistry.hpp b/src/ScriptResolving/WASM/InterfaceMethods/TypeRegistry.hpp
index 664c563..6aac0f6 100644
--- a/src/ScriptResolving/WASM/InterfaceMethods/TypeRegistry.hpp
+++ b/src/ScriptResolving/WASM/InterfaceMethods/TypeRegistry.hpp
@@ -4,6 +4,7 @@
 #include <string>
 #include "../WebAssemblyScriptResolver.hpp"
 #include "Arbutils/Collections/Dictionary.hpp"
+#include "Battling/WASMPokemonRegistry.hpp"
 #include "Library/LibraryMethods.hpp"
 #include "Library/WASMAbilityRegistry.hpp"
 #include "Library/WASMEffectParameter.hpp"
@@ -29,6 +30,8 @@ public:
         WASMSpeciesRegistry::Register(externs, resolver);
         WASMFormeRegistry::Register(externs, resolver);
         WASMAbilityRegistry::Register(externs, resolver);
+
+        WASMPokemonRegistry::Register(externs, resolver);
     }
 };
 
diff --git a/src/ScriptResolving/WASM/InterfaceMethods/WASMHelperFile.hpp b/src/ScriptResolving/WASM/InterfaceMethods/WASMHelperFile.hpp
index 87f93e2..bb34f41 100644
--- a/src/ScriptResolving/WASM/InterfaceMethods/WASMHelperFile.hpp
+++ b/src/ScriptResolving/WASM/InterfaceMethods/WASMHelperFile.hpp
@@ -1,7 +1,6 @@
 #ifndef PKMNLIB_HELPERFILE_H
 #define PKMNLIB_HELPERFILE_H
 #include <Arbutils/Memory/Memory.hpp>
-#include <cxxabi.h>
 #include <memory>
 #include <sstream>
 #include <type_traits>
@@ -125,17 +124,27 @@ private:
             return wasm_valtype_new_i64();
         } else if constexpr (is_specialization<T, ArbUt::List>()) {
             return wasm_valtype_new_i64();
+        } else if constexpr (is_specialization<T, ArbUt::OptionalUniquePtrList>()) {
+            return wasm_valtype_new_i64();
+        } else {
+            static_assert(always_false<T>::value, "Unhandled value type");
         }
-        THROW("Unhandled value type: ", std::string(abi::__cxa_demangle(typeid(T).name(), 0, 0, 0)));
     }
 
+    template <typename T> struct always_false {
+        enum { value = false };
+    };
+
     template <typename T> inline static wasm_val_t ToVal(const T& val) {
         if constexpr (std::is_pointer<T>()) {
             return WASM_I64_VAL(reinterpret_cast<i64>(val));
         } else if constexpr (is_specialization<T, ArbUt::BorrowedPtr>::value) {
             return WASM_I64_VAL(reinterpret_cast<i64>(val.GetRaw()));
         } else if constexpr (is_specialization<T, ArbUt::OptionalBorrowedPtr>::value) {
-            return WASM_I64_VAL(reinterpret_cast<i64>(val.GetRaw()));
+            if (val.HasValue()) {
+                return WASM_I64_VAL(reinterpret_cast<i64>(val.GetValue()));
+            }
+            return WASM_I64_VAL(0);
         } else if constexpr (is_specialization<T, std::unique_ptr>::value) {
             return WASM_I64_VAL(reinterpret_cast<i64>(val.get()));
         } else if constexpr (std::is_enum<T>() || std::is_integral<T>()) {
@@ -156,8 +165,12 @@ private:
         } else if constexpr (is_specialization<T, ArbUt::List>()) {
             auto v = &val;
             return WASM_I64_VAL(reinterpret_cast<i64>(v));
+        } else if constexpr (is_specialization<T, ArbUt::OptionalUniquePtrList>()) {
+            auto v = &val;
+            return WASM_I64_VAL(reinterpret_cast<i64>(v));
+        } else {
+            static_assert(always_false<T>::value, "Unhandled value type");
         }
-        THROW("Unhandled value type: ", typeid(T).name());
     }
 
     template <typename T> inline static T FromVal(const wasm_val_t& val) {
@@ -181,8 +194,9 @@ private:
             } else {
                 return static_cast<T>(val.of.f32);
             }
+        } else {
+            static_assert(always_false<T>::value, "Unhandled value type");
         }
-        THROW("Unhandled value type: ", typeid(T).name());
     }
 
     template <size_t I, class... Args> inline static void AppendArgument(wasm_valtype_t* array[]) {
diff --git a/src/ScriptResolving/WASM/InterfaceMethods/WASMListRegistry.cpp b/src/ScriptResolving/WASM/InterfaceMethods/WASMListRegistry.cpp
index eab5e08..4d3636f 100644
--- a/src/ScriptResolving/WASM/InterfaceMethods/WASMListRegistry.cpp
+++ b/src/ScriptResolving/WASM/InterfaceMethods/WASMListRegistry.cpp
@@ -1,20 +1,48 @@
 #include "WASMListRegistry.hpp"
 #include "WASMHelperFile.hpp"
 
-wasm_func_t* List_GetLength(WebAssemblyScriptResolver* resolver) {
+wasm_func_t* PtrList_GetLength(WebAssemblyScriptResolver* resolver) {
     return WasmHelpers::CreateFunc<size_t, const ArbUt::List<void*>*>(
         resolver, {[](WebAssemblyScriptResolver*, const ArbUt::List<void*>* list) -> size_t { return list->Count(); }});
 }
 
-wasm_func_t* List_GetValue(WebAssemblyScriptResolver* resolver) {
+wasm_func_t* PtrList_GetValue(WebAssemblyScriptResolver* resolver) {
     return WasmHelpers::CreateFunc<void*, const ArbUt::List<void*>*, size_t>(
         resolver, {[](WebAssemblyScriptResolver*, const ArbUt::List<void*>* list, size_t index) -> void* {
             return list->At(index);
         }});
 }
 
+wasm_func_t* ByteList_GetLength(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<size_t, const ArbUt::List<u8>*>(
+        resolver, {[](WebAssemblyScriptResolver*, const ArbUt::List<u8>* list) -> size_t { return list->Count(); }});
+}
+
+wasm_func_t* ByteList_GetValue(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<u8, const ArbUt::List<u8>*, size_t>(
+        resolver,
+        {[](WebAssemblyScriptResolver*, const ArbUt::List<u8>* list, size_t index) -> u8 { return list->At(index); }});
+}
+
+wasm_func_t* OptionalUniquePtrList_GetLength(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<size_t, const ArbUt::OptionalUniquePtrList<void>*>(
+        resolver, {[](WebAssemblyScriptResolver*, const ArbUt::OptionalUniquePtrList<void>* list) -> size_t {
+            return list->Count();
+        }});
+}
+
+wasm_func_t* OptionalUniquePtrList_GetValue(WebAssemblyScriptResolver* resolver) {
+    return WasmHelpers::CreateFunc<void*, const ArbUt::OptionalUniquePtrList<void>*, size_t>(
+        resolver, {[](WebAssemblyScriptResolver*, const ArbUt::OptionalUniquePtrList<void>* list,
+                      size_t index) -> void* { return list->At(index); }});
+}
+
 void WASMListRegistry::Register(ArbUt::Dictionary<std::string, wasm_func_t*>& externs,
                                 WebAssemblyScriptResolver* resolver) {
-    externs.Insert("list_get_length", List_GetLength(resolver));
-    externs.Insert("list_get_at", List_GetValue(resolver));
+    externs.Insert("pointer_list_get_length", PtrList_GetLength(resolver));
+    externs.Insert("pointer_list_get_at", PtrList_GetValue(resolver));
+    externs.Insert("byte_list_get_length", ByteList_GetLength(resolver));
+    externs.Insert("byte_list_get_at", ByteList_GetValue(resolver));
+    externs.Insert("optional_unique_ptr_list_get_length", OptionalUniquePtrList_GetLength(resolver));
+    externs.Insert("optional_unique_ptr_get_at", OptionalUniquePtrList_GetValue(resolver));
 }
diff --git a/src/ScriptResolving/WASM/InterfaceMethods/pkmn_lib_host.wit b/src/ScriptResolving/WASM/InterfaceMethods/pkmn_lib_host.wit
index c17bea1..5972d02 100644
--- a/src/ScriptResolving/WASM/InterfaceMethods/pkmn_lib_host.wit
+++ b/src/ScriptResolving/WASM/InterfaceMethods/pkmn_lib_host.wit
@@ -19,8 +19,10 @@ const_string_get_str: function(const_string ptr) -> s32
 
 // List class
 type list = u64
-list_get_length: function(list) -> u64
-list_get_at: function(list, u64) -> u64
+pointer_list_get_length: function(list) -> u64
+pointer_list_get_at: function(list, u64) -> u64
+byte_list_get_length: function(list) -> u8
+byte_list_get_at: function(list, u64) -> u8
 
 // Library types
 type pokemon_library = u64
@@ -35,6 +37,7 @@ type nature_library = u64
 
 type level_int = u8
 
+type effect_parameter = u64
 type species = u64
 type move = u64
 type item = u64
@@ -43,14 +46,19 @@ type forme = u64
 type ability = u64
 
 enum Statistic {
-    Health,
-    Attack,
-    Defense
-    SpecialAttack,
-    SpecialDefense,
-    Speed,
+    Health, Attack, Defense, SpecialAttack, SpecialDefense, Speed,
 }
 
+// EffectParameter class
+enum EffectParameterType {
+    None, Bool, Int, Float, String
+}
+effect_parameter_get_type: function(effect_parameter) -> EffectParameterType
+effect_parameter_as_bool: function(effect_parameter) -> bool
+effect_parameter_as_int: function(effect_parameter) -> s64
+effect_parameter_as_float: function(effect_parameter) -> f32
+effect_parameter_as_string: function(effect_parameter) -> const_string
+
 // PokemonLibrary class
 data_library_get_settings: function(pokemon_library ptr) -> library_settings
 data_library_get_species_library: function(pokemon_library ptr) -> species_library
@@ -156,3 +164,6 @@ forme_get_ability: function(forme, bool hidden, u8 index) -> ability
 forme_has_flag_by_hash: function(forme, u32) -> bool
 
 // Ability class
+ability_get_name: function(ability) -> const_string
+ability_get_effect: function(ability) -> const_string
+ability_get_parameters: function(ability) -> list
\ No newline at end of file
diff --git a/src/ScriptResolving/WASM/WebAssemblyScriptResolver.cpp b/src/ScriptResolving/WASM/WebAssemblyScriptResolver.cpp
index 0949ebb..d7baa0a 100644
--- a/src/ScriptResolving/WASM/WebAssemblyScriptResolver.cpp
+++ b/src/ScriptResolving/WASM/WebAssemblyScriptResolver.cpp
@@ -171,4 +171,4 @@ WebAssemblyScriptResolver::LoadScript(const ArbUt::OptionalBorrowedPtr<void>& ow
     auto script = new WebAssemblyBattleScript(owner, result, &_scriptCapabilities[key], this, scriptName);
     _loadedScripts.Insert(result, script);
     return script;
-}
+}
\ No newline at end of file