As the blast moves away from Mario, opponents that come in contact with the vortex are knocked slightly to the side, and are thus forced to travel with it. Opponents that are in the center of the vortex are more easily trapped by it. The Dojo!! suggests to move to one side of the level and use it while in mid-air. Mario recoils slightly when he does the attack and he is unaffected by gravity until the move ends. A small amount of damage and knockback is inflicted if Mario is close enough to his foe during the startup animation and just before the vortex comes out, enabling them to be vulnerable to the whole attack. If opponents are behind Mario, they will still be pulled into the attack.
Each time a fireball hits an opponent, it does 3% or 2% damage, depending on whether it was the larger fireball or the smaller one. The move is capable of hitting about 7.5 times a second, although this is unlikely due to the speed the fireballs spin at and the knockback delivered. Despite being a powerful Final Smash, it has one major flaw: if the opponents are far away from Mario, they can avoid the attack by jumping over it (especially high jumpers such as Fox or Yoshi). However, it makes up for it by inflicting damage on a wide range of multiple enemies and pushing them back quite some distance without allowing recovery, possibly even dragging opponents off the side.
The maximum distance of the Mario Finale reaches approximately from the edge of Final Destination to the spot right before the blast line. Since opponents are dragged along the length of the attack, it is best to not initiate from the end of a stage.
Platforms hit by the attack will have a small fire graphic on them for a short while afterwards; however, this fire is purely for visual effect and causes no damage.
The move has gained a new graphical effect with more "accentuated" fire. It also deals more damage and dramatically slows down opponents now, making it much harder to dodge the attack, especially at close range. However, it is harder to pull opponents into the rest of the Final Smash if they are behind Mario. The ability to hit opponents before the vortex comes out was also removed.
The move slows down opponents more and for longer at the beginning of the attack. However, it has substantially decreased knockback, which makes it KO foes around 25% later and worsens it overall. To nullify this, the range and damage (each hit doing 0.5% more) of the move was buffed in patch 8.0.0, making it significantly more powerful, now dealing about 75%, and allowing it to KO a bit earlier than before.
Mario Finale vaguely resembles the attack Ultra Flame from Super Mario RPG: Legend of the Seven Stars. The attack involves Mario shooting a barrage of swirling, powerful fireballs that damage all the enemies on the screen. The move otherwise has no clear origin but rather takes inspiration from Mario's pyrokinetic abilities.
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