D10 is an active item in The Binding of Isaac.

Devolves all monsters in the room into weaker variants of themselves.

Each type of monster has a specific devolve path it takes.

If a monster is at its weakest level, it will mostly transform into a background critter or simply die.

Some enemies can be transformed into obstacles or pickups.

This page shows information as of the latest Repentance release.
To see latest up-to date information about this item for the new Repentance+ (Online Co-op) DLC, check this page instead.

D10 can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for D10 have been documented.

* Note that not all possible synergies and interactions are listed here.

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