Actions

Multiattack The Devourer makes one attack with its Claws and uses Consume Mind.
Claws Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 1d6+3 slashing damage.
Consume Mind The Devourer chooses one creature within 30 ft. that has an Intelligence of 3 or higher. The target must succeed a DC 13 Intelligence Saving Throw or take 3d10 bludgeoning damage. If the target fails the Saving Throw by 5 or more, it loses 2 points of Intelligence until finishing a Long Rest or receiving a Lesser Restoration spell.