Grick Ancient

Large Aberration, Unaligned

AC: 18

Initiative: +3 (13)

HP: 135 (18d10 + 36)

Speed: 30 ft., climb 30 ft.

STR
18 (+4)
DEX
16 (+3)
CON
15 (+2)
INT
4 (-3)
WIS
14 (+2)
CHA
9 (-1)

Skills: Stealth +6

Senses: Darkvision 60 ft., Passive Perception 12

CR: 7 (XP 2,900; PB +3)

Habitat: Forest, Underdark

Treasure: Any

Actions

Multiattack.

The grick makes one Beak attack, one Slam attack, and one Tentacles attack.

Beak.

Melee Attack Roll: +7, reach 10 ft. Hit: 22 (4d8 + 4) Piercing damage.

Slam.

Melee Attack Roll: +7, reach 10 ft. Hit: 7 (1d6 + 4) Bludgeoning damage. If the target is a Large or smaller creature, it has the Prone condition.

Tentacles.

Melee Attack Roll: +7, reach 10 ft. Hit: 15 (2d10 + 4) Slashing damage. If the target is a Large or smaller creature, it has the Grappled condition (escape DC 14) from all four tentacles.

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Grick Ancient

Source: Monster Manual (2025), p. 158 - Licenses and attribution