Updated changelog and changed my mind, I will just make a new branch for the molang functions.

CHANGELOG.md

@@ -19,10 +19,12 @@
 - Fix occasional crash on retrieving revived fossils
 - Fixed a compatibility issue with World Game Rules which caused some log spam in specific cases.
 - Fixed improper validation of Pokémon when performing a trade.
+- Fixed kicking players from world when a Pokémon learns multiple moves at once.
 
 ### Developer
 
 ### Molang & Datapacks
 
+
 ### Localization
 - Updated translations for:

common/src/main/kotlin/com/cobblemon/mod/common/api/molang/MoLangFunctions.kt

@@ -145,6 +145,7 @@ import net.minecraft.world.entity.item.ItemEntity
 import net.minecraft.world.entity.monster.Monster
 import net.minecraft.world.entity.player.Player
 import net.minecraft.world.item.ItemStack
+import net.minecraft.world.item.enchantment.EnchantmentHelper
 import net.minecraft.world.level.ClipContext
 import net.minecraft.world.level.GameType
 import net.minecraft.world.level.Level

common/src/main/kotlin/com/cobblemon/mod/common/api/moves/BenchedMove.kt

@@ -42,6 +42,10 @@ class BenchedMoves : Iterable<BenchedMove> {
         update()
     }
 
+    fun clone(): BenchedMoves {
+        return BenchedMoves().loadFromNBT(saveToNBT(ListTag()))
+    }
+
     fun doThenEmit(action: () -> Unit) {
         doWithoutEmitting(action)
         update()

common/src/main/kotlin/com/cobblemon/mod/common/net/messages/client/pokemon/update/BenchedMovesUpdatePacket.kt

@@ -13,7 +13,8 @@ import com.cobblemon.mod.common.pokemon.Pokemon
 import com.cobblemon.mod.common.util.cobblemonResource
 import net.minecraft.network.RegistryFriendlyByteBuf
 
-class BenchedMovesUpdatePacket(pokemon: () -> Pokemon?, value: BenchedMoves): SingleUpdatePacket<BenchedMoves, BenchedMovesUpdatePacket>(pokemon, value) {
+class BenchedMovesUpdatePacket(pokemon: () -> Pokemon?, value: BenchedMoves):
+    SingleUpdatePacket<BenchedMoves, BenchedMovesUpdatePacket>(pokemon, value.clone()) {
     override val id = ID
     override fun encodeValue(buffer: RegistryFriendlyByteBuf) {
         this.value.saveToBuffer(buffer)