Assassinate. During its first turn, the akleu has advantage on attack rolls against any creature that hasn't taken a turn. Any hit the akleu scores against a surprised creature is a critical hit.
Cunning Action. On each of its turns, the akleu can use a bonus action to take the Dash, Disengage, or Hide action.
Transparency. The akleu’s transparent body makes it difficult to target by sight. Attack rolls against it have disadvantage and it cannot be targeted by spells that require the target to be seen. If it is hit by an attack, this trait is disrupted until the end of its next turn. This trait is also disrupted while the akleu is incapacitated or has a speed of 0. Attacks from creatures that possess senses that do not rely on sight – such as tremorsense or blindsight, or that have highly developed smell or hearing – such as granted by the keen hearing or keen scent traits, are not affected by this trait.
Evasion. If the akleu is subjected to an effect that allows it to make a Dexterity saving throw to take only half damage, the akleu instead takes no damage if it succeeds on the saving throw, and only half damage if it fails.
Sneak Attack (1/Turn). The akleu deals an extra 14 (4d6) damage when it hits a target with a weapon attack and has advantage on the attack roll, or when the target is within 5 feet of an ally of the akleu that isn't incapacitated and the akleu doesn't have disadvantage on the attack roll.
Multiattack. The akleu makes one claw attack and one bite attack.
Claw. Melee Weapon Attack: +9 to hit, reach 10 ft., one target. Hit: 6 (1d6 + 5) piercing damage.
Bite. Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 6 (1d6 + 3) piercing damage, and the target must make a DC 15 Constitution saving throw, taking 24 (7d6) poison damage
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