Assassin

If the monster is subjected to an effect that allows it to make a Dexterity saving throw to take only half damage, the monster instead takes no damage if it succeeds on the save and only half damage if it fails. It can't use this trait if it has the Incapacitated condition.

. , and the target has the Poisoned condition until the start of the assassin's next turn.

. .

The monster makes three attacks, using or in any combination.

The monster takes the Dash, the Disengage, or Hide action.