Wanted to try out 13th Age monster creation. Verdict: I dig it. Fast, simple, easy to do. Highly recommended.

(image by Dennis Culver. Click-through for source).

The Krampus
Level 5 Large Wrecker

[Demon]

Initiative +9

Birch Cane +11 vs. AC, 1d6*10 damage
Natural 16+: Target is knocked prone (only way to trigger Stocking Stuffer)

Stocking Stuffer, +10 vs. PD
Target must be prone
On a success, target is stuffed into the Krampus’s cursed sack to be dragged off and eaten.
DEATH ATTACK: Safeties may be used to defend against this attack.

Shake, Rattle, and Moan: Any creature with 24 HP or fewer who is engaged with the Krampus is dazed (-4).

AC 22
PD 20
MD 16
144 HP