Here is a list of Nobodies that can be encountered:
Dusk- The basic and most common Nobody. They are the easiest to defeat.
HP: 10
MP: 0
Attacks:
Slap - 5 damage
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Creeper- The weakest of the Nobodies. They can change form to attack.
HP: 10
MP: 0
Attacks:
Shield (Invulnerable for 1 post)
Sword- 5 damage
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Dragoon- A dragon-like Nobody that attacks with a lance and dive bombs.
HP: 25
MP: 15
Attacks:
Lance Dive Bomb- 15 damage (Flies up to avoid damage, then attacks)
Lance Strike- 15 damage
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Assassin- A stealthy Nobody that hides out under the ground.
HP: 25
MP: 20
Attacks:
Hide away (Invulnerable for 2 posts)
Knife Strike- 10 damage
Fail Safe- 20 damage (Assassin destroys itself)
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Samurai- An aggressive Nobody that can wield four weapons at once, two swords and their sheathes. Be careful when confronting these enemies.
HP: 60
MP: 30
Attacks:
Sword Slash- 15 damage
Sword Guard (Invulnerable for 2 posts)
Duel Stance (Kills Samurai with even dice roll, odd you take 45 damage)
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Sniper- A stealthy Nobody that shoots from afar.
HP: 40
MP: 20
Attacks:
Bullseye- 15 damage (Unavoidable)
Warp Snipe (Reflects shot back at Sniper with even dice roll)
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Dancer- An elegant Nobody that prances around the battlefield. It attacks with kicks and acrobatic flips.
HP: 30
MP: 10
Attacks:
Lift Kick- 10 damage (Dancer has double attack for 2 posts)
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Beserker- A lumbering Nobody that carries around a giant hammer. The hammer actually controls the body.
HP: 70
MP: 15
Attacks:
Hammer Strike- 20 damage
Beserk (Destroys Beserker and deals 30 damage to any surrounding enemies)
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Gambler- A Nobody that likes to play games of chance. Winning can be benefial, losing...well just dont lose
HP: 40
MP: 15
Attacks:
Card Game (20 damage to Gambler with even dice roll)
Dice Game (10 damage to Gambler with even dice roll)
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Sorcerer- An elusive Nobody that attacks with enchanted cubes. Be careful when attacking it.
HP: 80
MP: 30
Attacks:
Cube Strike- 15 damage
Cube Block (Invulnerable for 2 posts)
Cube Spin- 15 damage (Invulnerable for 2 posts)
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Twilight Thorn- a gigantic Nobody that only appeared in Roxas' dream. It has similar attacks to the Darkside Heartless, but is much stronger.
HP: 200
MP: 90
Attacks:
Twilight Stream- 10 damage (Can be dodge with even dice roll)
Twilight Cage- 15 damage (Summons four Creepers and two Dusks)
Twilight Chandelier- 15 damage and stunned for 1 post (Can be dodged with even dice roll)
Twilight Finisher (Roll three dice, if all are even, Twilight Thorn dies instantly, if mixed, you and Twilight Thorn take 25 damage)