|"Death comes naturally"|
Death Mask is a passive collectible added in Revelations Chapter 2.
- When the player kills 10 enemies, the next enemy closest to the player will instantly be killed by a strike of lightning.
- When an enemy is insta-killed, a friendly blue bony will spawn in place of the killed enemy that acts like a regular Bony.
- Book of the Dead: Lowers the kill count requirement by two. Friendly bonys and bone familiars spawned by this item will be colored blue, and the bone familiars deal more damage.
- Death's Touch: Lowers the kill count requirement by one.
- Death's List: Lowers the kill count requirement by one.