Armor Class 15 (natural armor)
Hit Points 45 (6d8 + 18)
Speed 40 ft.
Saving Throws STR +6
Skills Acrobatics +4, Stealth +4
Damage Resistances [object Object]
Damage Immunities cold, fire, poison
Condition Immunities charmed, poisoned
Senses darkvision 60 ft., passive Perception 11
Languages Formian
Challenge 4
Hive Mind. All fiendish formians within 1 mile of Ekengarik can telepathically communicate with each other and Ekengarik.
Multiattack. The fiendish formian makes two Claw attacks.
Claw. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) slashing damage.
Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 (1d8 + 4) piercing damage and the target must make a DC 14 Constitution saving throw. On a failed save, the target's Strength score is reduced by 1. The target dies if this reduces its Strength to 0. Otherwise, the reduction lasts until the target finishes a short or long rest.
CoA, p. 144