Invisible Stalker
Medium elemental, neutral
Skills: Perception +8, Stealth +10
Resistances: bludgeoning, piercing, and slashing from nonmagical weapons
Immunities: poison
Condition immunities: Exhaustion, Grappled, Paralyzed, Petrified, Poisoned, Prone, Restrained, Unconscious
Senses: darkvision 60 ft., passive perception 18
Languages: Auran, understands Common but doesn't speak it
Traits
Invisibility. The stalker is invisible.
Faultless Tracker. The stalker is given a quarry by its summoner. The stalker knows the direction and distance to its quarry as long as the two of them are on the same plane of existence. The stalker also knows the location of its summoner.
Actions
Multiattack. The stalker makes two slam attacks.
Slam. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) bludgeoning damage.