Kech

Strangle. Melee Weapon Attack: +4 to hit, reach 10 ft., one Medium or smaller creature that is surprised grappled by the kech or that can't see the kech. Hit: 9 (2d6 + 2) bludgeoning damage and the target is pulled 5 feet towards the kech and grappled (escape DC 12). Until this grapple ends the kech automatically hits with the Strangle attack and the target can't breathe.

Claw. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 9 (2d6 + 2) slashing damage.

Stealthy Sneak. The kech moves up to half its Speed without provoking opportunity attacks. It can then attempt to hide.