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Thuellai
Armor Class 17
Hit Points 161 (14d12 + 70)
Speed 100 ft.
STR
22 (+6)
DEX
24 (+7)
CON
20 (+5)
INT
10 (+0)
WIS
11 (+0)
CHA
14 (+2)
Saving Throws Int +4, Wis +4, Cha +6
Skills Perception +4
Damage Immunities poison
Condition Immunities exhaustion, grappled, paralyzed, petrified, poisoned, prone, restrained, unconscious
Senses darkvision 60 ft., passive Perception 14
Languages Common, Dwarvish, Primordial
Challenge 12 (8,400 XP)
Chilling Presence. At the start of each of the thuellai's turns, each creature within 15 feet of it must succeed on a DC 17 Constitution saving throw or take 7 (2d6) cold damage. For each minute a creature spends within 15 feet of the thuellai, it must succeed on a DC 17 Constitution saving throw or suffer one level of exhaustion from cold exposure. Unprotected, nonmagical flames within 15 feet of the thuellai are extinguished. Any spells of 3rd level or lower that provide resistance to cold damage and that are within 15 feet of the thuellai immediately end. Water freezes if it remains within 15 feet of the thuellai for at least 1 minute.
Elemental Nature. The thuellai doesn't require air, food, drink, or sleep.
Snowsight. The thuellai can see through areas obscured by snowfall, sleet, rain, and other wintry precipitation without penalty.
Actions
Multiattack. The thuellai makes three Icy Claw attacks.
Icy Claw. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 15 (2d8 + 6) slashing damage plus 10 (3d6) cold damage.
Freezing Breath (Recharge 5-6). The thuellai exhales an icy blast in a 60-foot cone. Each creature in the area must make a DC 17 Dexterity saving throw, taking 49 (14d6) cold damage on a failed save, or half as much damage on a successful one.
Reactions
None.
Legendary Actions
Source: Tome of Beasts 2023 © 2023, Open Design LLC. Used under the Open Gaming License v1.0a.
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