Thorny

The Thorny is encountered in the Ossuary and the Prison Depths. One appears as an elite key guardian in High Peak Castle, occupying the green room.

Behavior
Attacks by rolling in a ball towards the player, dealing contact damage and knock-back. Dodge roll through their roll attack and attack them when they get out of their ball form.

If you attack these enemies while their spiked back is facing you, you will take damage.