Medium humanoid (grimlock), neutral evil

Armor Class 11
Hit Points 11 (2d8 + 2)
Speed 30 ft.

STR	DEX	CON	INT	WIS	CHA
16 (+3)	12 (+1)	12 (+1)	9 (-1)	8 (-1)	6 (-2)

Saving Throws 
Skills Athletics +5, Perception +3, Stealth +3
Damage Resistances 
Damage Immunities 
Condition Immunities blinded
Senses blindsight 30 ft. or 10 ft. while deafened (blind beyond this radius), passive Perception 13
Languages Undercommon
Challenge 44930 (50 XP)

Blind Senses. The grimlock can’t use its blindsight while deafened and unable to smell.

Keen Hearing and Smell. The grimlock has advantage on Wisdom (Perception) checks that rely on hearing or smell.

Stone Camouflage. The grimlock has advantage on Dexterity (Stealth) checks made to hide in rocky terrain.

Actions

Spiked Bone Club. Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 5 (1d4 + 3) bludgeoning damage plus 2 (1d4) piercing damage.