SaltyBeggar
Skeletron
There is no item Terraria which forces a item being discarded, which can be a problem in adventure maps in Terraria, but the shape detector solves that. This item accept only one kind of item of being put in the shape detector, that will activate a wire.
About the indestructible block, it would be a completelly black block, and would be undestructible.
About the indestructible block, it would be a completelly black block, and would be undestructible.