Stompy is a transformation in The Binding of Isaac, added in the Afterbirth+ DLC.

Obtained by acquiring any 3 items that increase Isaac's size, such as Leo, Magic Mushroom and One makes you larger.

Grants Isaac the ability to crush rocks upon touching them.

Upon taking damage, Isaac has a 20% chance to create a circular rock wave that deals 20 damage per second to any enemy caught in it.

The rock waves cannot destroy machines.

Causes Isaac to create dust clouds as he walks.

This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this transformation for the previous Repentance version, check this page instead.

• Check out the transformation description on the external Isaac Wiki.