Mini Drill is a passive item in Potato Packs, a mod for The Binding of Isaac. It is part of the Potato Pack 1 submod.
Isaac burrows underground, avoiding all sources of damage for up to 5 seconds.
If the item is used while underground it ends the effect early, when the digging ends Isaac returns to the surface, breaking any rocks in the way.
Part of the Potato Pack 1 mod.