Killmoulis

Tiny Fey, Neutral

STR
4 (-3)
DEX
19 (+4)
CON
13 (+1)
INT
12 (+1)
WIS
14 (+2)
CHA
13 (+1)

Actions

Slam.

Melee Weapon Attack: -1 to hit, reach 5 ft., one target. Hit: 1 bludgeoning damage.

Blessing of Bountiful Generosity (1/Day).

The killmoulis targets up to eight creatures within 100 feet of it that it can see. The next time a target finishes a long rest, it regains all spent Hit Dice and gains 10 temporary hit points.

Curse of Poor Hospitality (1/Day).

The killmoulis targets up to eight creatures within 100 feet of it that it can see. The next time a target completes a long rest, it does not regain spent Hit Dice.

Find this creature in the encounter builder

Killmoulis

Source: Mordenkainen's Fiendish Folio Volume 1: Toil and Trouble, p. 13 - Licenses and attribution