Steam Community :: Guide :: Lord's Guide to Terraria Survival: Mechs and Pirates
Mechanical Battery Piece | Terraria Wiki | Fandom
Exploring the Capabilities of Minecart Tracks in Terrarian Engineering & Engineering Trains | Terraria Community Forums
How to get Mechanical Battery Piece item - Terraria - YouTube
I dont know if this is just me but combining 3 expert mode drops from 3 fairly difficult bosses only to get a minecart is severely underwhelming, going off of the mechanical