Aggressive. As a bonus action, Yunkathu can move up to his speed toward an enemy of his choice that you he see or hear. He must end this move closer to the enemy than he started.

Heavy Armor Master. While wearing heavy armor, bludgeoning, piercing, and slashing damage from nonmagical weapons is reduced by 3.

Athlete. when prone, standing up uses only 5 feet of your movement. Climbing doesn't cost extra movement, and making a running long jump or a running high jump after moving only 5 ft. on foot, rather than 10 ft.

Slasher. Yunkathu can reduce a creature's speed when dealing slashing damage. He also gains the ability to wound a creature on a critical hit.

• Speed Reduction. Once per turn when Yunkathu hits a creature with an attack that deals slashing damage, he can reduce the speed of the target by 10 feet until the start of his next turn.
• Wound. When Yunkathu scores a critical hit that deals slashing damage to a creature, he grievously wound it. Until the start of his next turn, the target has disadvantage on all attack rolls.

Indomitable (3 Uses). Reroll failed saving throws - the new roll must be used.

Rapid Strike. Once per turn, if Yunkathu takes the Attack action and has advantage on an attack roll against one of the targets, he can forgo the advantage for that roll to make an additional weapon attack against that target, as part of the same action.

Action Surge (2 Uses). Take one additional action.

Ring of Feather Falling. Fall 60 ft. per second and negate all fall damage from any source.

Shadowfell Plate (3 Uses). Can cast "Pass Without a Trace" as a free action.

Multiattack. Yunkathu makes three Katana, Yumi, or any combination with a single caltrop attack.

Jade Shadow Dragon Katana. Melee Weapon Attack: +14 to hit, reach 5 ft., one target. Hit: 13 (1d10 + 8) slashing damage.

• If Yunkathu moved 15 ft. in any singular direction before striking, it deals an extra 5 (1d10) slashing damage

Yumi. Ranged Weapon Attack: +12 to hit, range 40 ft., one target. Hit: 10 (1d8 + 6) piercing damage.

Seeking Shuriken. Ranged Weapon Attack: +12 to hit, range 40 ft., one target. Hit: 10 (1d8 + 6) piercing damage.

Caltrops Bomb. Yunkathu can throw a small caltrop bomb up to 30 ft. Once it hits a surface or reaches its maximum distance it will explode spreading out caltrop in a 5 ft radius. Any creature caught in the radius must make a DC 15 Dexterity saving throw or take 16 (4d4 + 6) piercing damage plus 6 (1d6 + 3) fire damage. On a successful save, half the damage is taken. The 5 ft. radius is considered rough terrain when covered with the caltrops. Any creature that moves within the radius takes 5 (2d4) piercing damage for every 5 ft of movement. 

Second Wind (1 Use). Regain 1d10+17 HP.

Fighting Spirit (3 Uses). Gains advantage on weapon attack rolls until the end of the current turn and 15 temporary HP.

• Rapid Strike

Misty Step Smoke Bomb. Before knowing the result of an attack roll Yunkathu can throw a smoke bomb down at his feet and teleport up to 30 ft away that he can see. This smoke last for one round.