Invisible Stalker

Invisibility. The stalker is invisible. Creatures that see invisible creatures see the stalker as a vague humanoid outline.

Wind Tracker. If given a quarry by a summoner, the stalker knows the direction and distance to the quarry as long as they are on the same plane of existence and not sealed from each other by a barrier that doesnt allow air to pass.

Elemental Nature. An invisible stalker doesnt require air, sustenance, or sleep.

Multiattack. The stalker makes two melee attacks.

Slam. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 12 (2d8 + 3) bludgeoning damage. On a critical hit the target is pushed up to 15 feet and knocked prone.

Gust (Recharge 6). The stalker briefly turns into a gust of wind and moves up to its Speed without provoking opportunity attacks. It is able to pass through an opening as narrow as 1 inch wide without squeezing.