Unarmored Defense - Being one with his mind, his body is hardened too the point that he doesn't need armor, able to shrug off hits that would be fatal to normal people, such as being shot by a bunch of 7.62mm's wouldn't kill him outright, they'd enter him most likely but not to a deep enough point for it to be fatal. Although enough bullets in him at once would cause blood loss to take a toll on him and most likely kill him. He could withstand the hit of a .50, though it'd probably send him flying backwards due too the kinetic force.
Ki - Monk's draw power from their Ki, this allows them to do a variety of things such as
Flurry of Blows - Able to attack two more times after an initial attack in a blur of speed.
Patient Defense - Able to dodge attacks that are incoming towards him with ease (Non-Sonic projectiles, melee weapons, etc.)
Step of the Wind - Able to move in a burst of speed, effectively doubling his movement speed for a short time, going 160ft/s
Unarmored Movement - Able to move extremely fast due to his lack of physical armor, able to move at 80ft/s
Deflect Missiles - Able to catch non-sonic ranged attacks (non-sonic) straight from the air and throw them back at the aggressor.
Slow Fall - Able to gracefully descend from high heights.
Extra Attack - Able to throw one extra punch after your original punch in a blur of speed.
Stunning Strike -  You can interfere with the flow of ki in an opponent’s body. When you hit another creature with a melee weapon attack. The must roll above a 50 to not be stunned for a turn.
Evasion - Your instinctive agility lets you dodge out of the way of certain area effects, such as a blue dragon’s lightning breath or a fireball spell. If you're hit by an AOE type attack and don't get out of it, you only take half the damage.
Stillness of Mind - He is unable to be charmed or frightened, making force or other mind altering abilities non-effective.
Unarmored Movement Improvement - ability to move along vertical surfaces and across liquids on your turn without falling during your move.
Purity of Body - Immunity to Poison and Disease.
Tongue of the Sun and Moon - Able to understand any language, and anyone can understand what he says.
Timeless Body - No longer take the physical tolls of aging, no longer need food or water. Can still die from old age.
Empty Body - Able to become invisible, being resistant to all kinetic damage.
Perfect Self - Regenerate Ki at the beginning of combat