Literally Dragonball
"Energy Circle Cut"
Destructo Disc or Kienzan
Name that anime.
https://www.youtube.com/watch?v=UwxatzcYf9Q&ab_channel=ghibliggy
Howl's Moving Castle
This power system is used by many different fantasy series as a reserve of spellcasting ability.
Mana
The exercise Saitama does everyday.
100 push-ups, 100 sit-ups, 100 squats, and a 10km run EVERY SINGLE DAY
Dragonball
Akira Toriyama
"Dancing Sky Art"
Flight or Bukūjutsu
Cyberpunk: Edgerunners
Comprised of physical energy and spiritual energy, this power system is needed for most forms of jutsu.
Chakra
Jotaro Kujo earned what PhD after his stay in Morioh
Marine Biologist
One Piece
Eiichiro Oda
"World King Fist" or "Fist of the King of the Worlds"
Kai-Ken
Your Lie in April
Described as a physical manifestation of a person's life energy, being a user of this power system is only possible by birth or arrow.
Stands
In Soul Eater, the amount of demands needed to be met to wield Excalibur.
1000
JoJo's Bizzare Adventure
Hirohiko Araki
"Energy Sphere"
Spirit Bomb or Genki-dama
Kill la Kill
This power source comes from negative emotions and can be found in/utilized by humans, objects, and spirits.
Cursed Energy
This Pokemon underwent a spontaneous mutation and grew fins and gills that allow it to live underwater. This Pokémon has the ability to freely control water.
Vaporeon
Berserk
Kentaro Miura
"Demon's Penetrating, Killing Light Gun"
Special Beam Cannon or Makankōsappō
Literally translated it means "Sense" or "Mind Force", this power system allows its users to manipulate their aura in 1 of 6 different types.
Nen
Characters who are from a moba game become cosmic protectors and must battle cosmic enemies threatening the universe.
The Star Guardians
Fullmetal Alchemist
Hiromu Arakawa