Lucina
She has the exact same set of special moves that Marth does, but like Sakurai explained the main difference between Lucina and Marth is that the former’s moves will do the same damage regardless of which part of her blade hits, whereas Marth’s attacks will only do maximum damage if the tip of his blade brushes the opponent.
One very important detail that both the character reveal trailer and Sakurai left out, however, is that you can actually start a match as Lucina with her mask on. In fact, Lucina has a taunt that lets her put on or remove the mask, in a similar fashion to Guile’s “sunglasses” taunt in Ultra Street Fighter 4.
Captain Falcon
Famitsu provides a brief overview of Captain Falcon’s moves. It would appear that not many changes has been made to Captain Falcon’s move set from Super Smash Bros. Brawl to the new verison for Wii U and 3DS.
Robin
Famitsu also provided a very detailed rundown of Robin’s special moves in the game. Check out our translation of the details below:
Robin’s Forward Smash
This move strikes your opponent with Robin’s Thunder Sword. However, as you can only use Robin’s Thunder Sword attacks a certain number of times, once you’ve run out of uses, this attack will hit with a regular bronze sword instead.
Forward air attack
When performing this move, if you were to smash the analog stick in the forward direction, Robin will attack with his Thunder Sword for additional electric damage. But like all of Robin’s Thunder Sword attacks, you can only use the improved version a finite number of times.
Down+B: Nosferatu
Purple-black smog in the shape of a snake appears right in front of Robin when this move is used. If your opponent is hit by it, he or she will be “cursed” by the spell. When a cursed opponent is hit, Robin’s health meter will recover. What’s also interesting is that if the cursed opponent is struck from the back, the amount of health Robin recovers will be larger.
Neutral B: Thunder
Hitting the button once will activate a charging period for Robin’s Thunder spell, and hitting it again will cast it. The amount of time Robin charges will determine the version of the spell cast (Thunder, Elthunder, Arc Thunder, or Tron).
While charging, you can also hit the shield button to cancel the move and store the charge — the next time you hit the B button, Robin will resume charging from wherever you left off previously.
Up+B: Elwind
When this special move is performed in the air, Robin produces two green projectiles that he sends flying downwards, which simultaneously propels him upwards. However, you can only use this move a limited number of times. Once you’ve exceeded the number of uses, Robin will not produce the projectiles or jump higher.
Side+B: Arc Fire
Robin produces a projectile that flies diagonally downwards. When the projectile comes into contact with the stage, an opponent, or an item, it will generate a pillar of fire that spreads upwards, and deal area damage to anyone nearby.
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Who's trolling now Samurai!? Bwahahaha! 
