Traits:

Unarmored Defense: While not wearing armor, Yusuke's Armor Class equals 10 + his Dexterity modifier + his Wisdom modifier.

Spirit Detective: Yusuke has advantage on Insight and Perception checks.

Spirit Energy: Yusuke has a pool of spirit energy that he can use to fuel various abilities. His spirit energy pool has a maximum of 12 points, and he regains all spent points when he finishes a long rest. Spell Attack Bonus: +7, Spell Save DC: 15.

Feats:

Mobile: Yusuke's speed increases by 10 feet, and he does not provoke opportunity attacks when moving away from an enemy after a melee attack.

Evasion: When Yusuke is subjected to an effect that allows him to make a Dexterity saving throw to take only half damage, he instead takes no damage if he succeeds on the saving throw, and only half damage if he fails.

Abilities: 

Spirit Gun. As an action (Costs 2 Spirit Energy Points), Yusuke can fire a concentrated blast of spirit energy from his finger. Ranged Spell Attack: +7 to hit, range 60 ft., one target. Hit: (2d8) force damage.

Shotgun. As an action (Costs 3 Spirit Energy Points), Yusuke can unleash a wave of spirit energy in a 15-foot cone. Each creature in the area must make a DC 15 Dexterity saving throw, taking (3d8) force damage on a failed save, or half as much on a successful one.

Spirit Punch. As a bonus action (Costs 1 Spirit Energy Point), Yusuke can empower his next unarmed strike. Unarmed Strike: Melee Weapon Attack: +9 to hit, reach 5 ft., one target. Hit: 9 (1d6 + 5) bludgeoning damage plus (1d6) force damage.

Spirit Wave. As an action (Recharge 5–6), Yusuke can release a powerful wave of spirit energy. Each creature in a 20-foot-radius sphere centered on Yusuke must make a DC 15 Constitution saving throw. On a failed save, a creature takes (8d6) force damage and is knocked prone. On a successful save, the creature takes half damage and is not knocked prone.

Multiattack: Yusuke makes two unarmed strike attacks.

Unarmed Strike: Melee Weapon Attack: +8 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) bludgeoning damage.

Fury of Blows (Costs 1 Spirit Energy Point): Yusuke can spend 1 spirit energy point to make two unarmed strikes as a bonus action.

Extra Attack (Costs 1 Spirit Energy Point): Yusuke can spend 1 spirit energy point to make an additional unarmed strike as a bonus action.

Deflect Missiles. In response to being hit by a ranged weapon attack, Yusuke can reduce the damage by (1d10 + 14). If he reduces the damage to 0, he can catch the missile if it is small enough for him to hold in one hand and he has at least one hand [Tooltip Not Found].