Dissimortuum
Medium undead, chaotic evil
Armor Class
15 (natural armor)
Hit Points
112 (15d8 + 45)
Speed
30 ft., climb 30 ft.
STR
14 (+2)
DEX
10 (+0)
CON
16 (+3)
INT
8 (-1)
WIS
11 (+0)
CHA
18 (+4)
Damage Immunities
necrotic, poison
Damage Resistances
bludgeoning, piercing, and slashing from nonmagical weapons
Condition Immunities
charmed, exhaustion, poisoned
Senses
darkvision 60 ft., passive Perception 10
Saving Throws
Con +6
Languages
Common
Challenge
7 (2900 XP)
Spider Climb. The dissimortuum can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
Actions
Multiattack. The dissimortuum makes three claw attacks.
Claw. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 15 (3d8 + 2) slashing damage.
Terrifying Mask. Each non-undead creature within 60 feet of the dissimortuum that can see it must make a successful DC 15 Wisdom saving throw or be frightened for 1d8 rounds. If a target’s saving throw is successful or the effect ends for it, the target becomes immune to all dissimortuum’s terrifying masks for the next 24 hours.