(→Known Users: 1 Determination dosen't do this2.Though frisks stats go up by leveling up through EXP, the prosses has nothing to do with adaptation to an opponents own level of power, if thats the case every single JRPG character could qualify ...)
The user can spontaneously and quickly increase their power-level to match those of superior opponents and overcome excessive hardships. This adaptation applies to all personal parameters, physical, mental and even existential.
Raw power, speed and fighting skills will keep increasing until the opposition finds itself severely outmatched, surviving and recovering from incredible punishments until they become unnoticeable. When facing some particularly extreme circumstances, the user will eventually reach a breaking point, their power-level exploding as they shed into a new, super-powerful form.
In the end, no matter how huge the gap in power, no matter how impossible the odds, users will always find themselves standing victorious on top of their defeated enemies.
Emergy Maxfell’s Super Pinch Crusher/Great Pinch Crusher (s-CRY-ed)
Azi Dahaka (Mondaiji Tachi series); via Avesta
With his power being proportional to his Mantra affinity of Wrath, Asura (Asura's Wrath) is able to increase his Mantra output to what could be infinite levels the more rage he builds up.
Nemesis Kid (DC Comics) could develop just the right superhuman ability to counteract and defeat a single opponent at a time...
...easily overpowering Karate Kid, a trained martial artist in hand to hand combat...
...see through Projectra's skilled illusions...
As a Saiyan, Son Goku (Dragon Ball series) possesses the Saiyan Power, a genetic trait that continually lets a Saiyan increase their power after struggling against powerful opponents...
...An example is during Goku's return to life after he trained for a year with King/North Kai. Due to intense and struggling regimen, Goku was able to increase his power and defeat Nappa, who's power even surpassed Raditz.
After surviving his fight on Earth, Vegeta (Dragon Ball series) could raise his power level, demonstrating by obliterating Dodoria.
Another example is during the Tournament of Power when Vegeta (Dragon Ball series), in his Super Saiyan Blue・Shinka, was able to overpower Toppo in his God of Destruction Mode after struggling against him moments prior.
As a Saiyan, Caulifla (Dragon Ball Super) is able to gradually increase her abilities by engaging in combat, slowly adapting to Goku's speed and power and seeing through techniques that initially tricked her as they continue to fight.
Due to Zamasu becoming Goku Black (Dragon Ball Super) by possessing and mastering Goku's body, he was able to tap into its Saiyan Power, allowing him to gain massive increase in power every time he receives damage.
As his battles against Goku, Vegeta, and Future Trunks progressed, Goku Black (Dragon Ball Super) became stronger with every Saiyan Power boost he gained from every fight to tie his "god mind and Saiyan body" further together, allowing him to access his Super Saiyan Rosé transformation.
Goku Black (Dragon Ball Super) continued to use his ever growing power to improve his God Split Cut, turning it into his Violent Fierce God Slicer...
... his Azure Dragon Sword Model Energy Blade...
...and his Sickle of Sorrow.
Lung's (Worm) power causes him to gradually transform, making his powers more potent the longer he's in a fight.
Emergy Maxfell's Super Pinch Crusher/Great Pinch Crusher (s-CRY-ed) is able to become stronger in battle as the fight becomes more serve...
...allowing it to overwhlem Kazuma with its Danger Hazard and Hazard Rapid Fire after Kazuma was able to deflect the shots of its Powered Rifle earlier.
System Target : Enhanced. System Status : Upgrade.
Aric of Darcia/X-O Manowar (Valiant Entertainment Comics)