-On your Minecraft base,there was a lot of things,farm,mine with railways,village,and your best concern - storage.-

-During exploration of mansion,in evoker's room you found ancient book about golems.There was page about copper golem,that was usable with his ability to organise your inventory on storages.-

-with new information you reached home to build copper golem,and taking to account that you have a lot of "garbage" copper now,you wasn't concerned about have no chance to build golem-

Recipe - one copper block,one.... Cut pumpkin on it's top.

-when you placed last block, angelic light blinded you for a mere moment,after which you saw little cute copper golem with lightning rod on its head,and glowing eyes,before you, standing at...coppet chest?-

-you brought him and chest to your storage,put items in new chest,and he started to bring certain things to wooden chests,where those items already lays-