Physical Strength: Superhuman+ (casually sent a huge guy across a room and through a wall with one arm)
Speed: Supersonic+ (Easily able to block gunfire, cut a shot from an rpg in half while poisoned)
Destructive Capacity: Building+
Durability: Large Building (Fell into a river while poisoned and with a broken hand but still kept hold of his sword)
Intelligence: Mastery of swordsmanship, experience fighter
Abilities: At the end of the series he gets the number 1 headband, which apparently makes him invincible to anyone other than the wearer of the number 2 headband.