Invisible Stalker

The stalker can enter an enemy’s space and stop there. It can move through a space as narrow as 1 inch without expending extra movement to do so.

The stalker has the Invisible condition.

The stalker makes three Wind Swipe attacks. It can replace one attack with a use of Vortex.

Constitution Saving Throw: DC 14, one Large or smaller creature in the stalker’s space. Failure: 7 (1d8 + 3) Thunder damage, and the target has the Grappled condition (escape DC 13). Until the grapple ends, the target can’t cast spells with a Verbal component and takes 7 (2d6) Thunder damage at the start of each of the stalker’s turns.