...a/com/comandante/creeper/command/commands/UseCommand.java

...va/com/comandante/creeper/configuration/ConfigureNpc.java

...in/java/com/comandante/creeper/core_game/GameManager.java

...main/java/com/comandante/creeper/merchant/OldWiseMan.java

...in/java/com/comandante/creeper/player/PlayerMetadata.java

...a/com/comandante/creeper/server/model/CreeperSession.java

src/main/java/com/comandante/creeper/spawner/NpcSpawner.java

...om/comandante/creeper/command/commands/UseItemOnTest.java