In the Super Smash Bros series since Smash Bros Brawl there has been a climactic super powered attack only for those who can brake the all powerful Smash ball (And the also powerful Final Smash Meter in Ultimate). So now i am going to find out what Final Smash could do the most damage IRL.
The Final Smash's will be calculated by the most deaths it could account for in any given situation. For example if Peach could go to and barren wasteland and use her Final Smash and nothing may happen but if she was on an busy highway and used it she will cause drivers to fall asleep an small car pileup will occur. Also no indirect happenings like if you put the police to sleep the whole town will be murdered.
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The 0 kill list of shame Luigi; Sucking up and spiting out someone with an Glorified vacuum cleaner is not killing anyone outside of Death by laughter. Mr Game and Watch picks you up and nothing else. Villager and Isabelle.... yay!... a house...
The only a few deaths list All Fire emblem reps not named Corrin Little Mac, Donkey Kong, Inkling the force that Inkling's Final Smash produces could be enough to inflict head trama Ridley, Banjo, Sonic, Link, Young Link, Toon Link, Wario, Ryu and Ken's final smash's Pichu, Pikachu, Captain Falcon, Kirby, King Dedede, Wii Fit Trainer, Sheik, Meta Knight, Greninja, Incenaroar, Cloud, All Star Fox reps the reason for this is since you actually don't unleash an all out assault on the planet what really happens is you get hit into space and blasted to death but no real earthly impact. Hero, Joker, Mii Sword Fighter, Mii Brawler, Mewtwo, Diddy Kong and everyone else not in contenters
Snake, Ness/Lucas, Jigglypuff, Peach/Daisy, Zero Suit Samus, Palutena, and King K. Rool the Final 9. Snake's Nukes hitting the earth with 6 at once be nothing short of world changing. Clocking in at the force of 7.2 megatons of Tnt which could take out over a 2/3 of China adding up to 926,666,667 deaths not including the Millons that could die of the aftermath. Ness/Lucas 16 asteroids makes Snake's Final Smash look like an joke clocking in at 800 megatons of Tnt but this is something i will talk about later. Jigglypuff can puff up and destroy an skyscraper by taking out its support beams resulting about 2,000 deaths. Peach/Daisy if you used it on the most busy highway it will cause an Pileup with between 0 to 50 deaths. Zero Suit Samus's Final Smash involves her hopping on her Spacecraft and shooting an beam from her power suit by approximating the speed and how long it lasts it can probably take out about 5,000 people. Palutena's Black hole maybe doesn't last long enough to make the Earth implode on its self it lasts long enough too take out Tokyo the most highly populated city in the world so about 39,000,000 probably more like 57,000,000 but 39 mil for sure. King K. Rool can use his Laser to destroy stuff we only see this destroy Dk's tree house but we can most likely estimate 50,000 to 1,000,000. But now......
The Pk Warrior['s] hailing from Earthbound/Mother Ness and Lucas are out to end the earth's whole career with PK STAR STORM!!!! so as stated before the asteroids would come down with the force of 800 megatons of Tnt. Not that it even matters.... Thats right hitting with the power of 80 Nukes does not even matter let me explain if you hit the earth with that many asteroids hitting in rapid succession its going to knock the earth out of orbit. And if the Earth is out of orbit bad things happen. Basically if the earth floats closer to the sun everyone burns up if the earth floats away from the sun everyone freezes so 7,500,000,000 deaths completely killing all of mankind and blowing up the earth and melting and or freezing earth as we know it.