Rakshasa, Slayer

Limited Magic Immunity. Can't be affected or detected by spells of 4th level or lower unless it wishes to be. Has advantage on saves vs. all other spells and magical effects.

Multiattack. Three Rapier or Light Crossbow attacks.

Rapier. Melee Weapon Attack: +9 to hit, 5 ft., one target, 9 (1d8+5) piercing damage + 7 (2d6) poison and target: DC 16 Con save or poisoned until end of its next turn.

Light Crossbow. Ranged Weapon Attack: +9 to hit 80/320' one target 9 (1d8+5) piercing damage + 7 (2d6) poison and the target must make DC 16 Con save or be poisoned until the end of its next turn.

Spellcasting. Cha (DC 16) no material components: At will: detect thoughts disguise self3/day: invisibility1/day: mislead

Cunning Action. Takes the Dash Disengage or Hide action.

Gain the Upper Hand. The slayer studies one creature it can see within 30' of it granting the slayer advantage on the next attack roll it makes vs. the target before start of the slayer's next turn. If the attack hits slayer's weapon attack deals extra 9 (2d8) piercing damage.

Shadow Leap. When a creature moves into a space within 5 ft. of slayer while slayer is in dim light or darkness slayer can teleport to unoccupied space it can see within 30' of it. Destination must also be in dim light or darkness.