"Revenge is the prime ingredient in the fountain of youth. I've kept myself alive for hundreds of years with a steady diet of jealousy and hate, awaiting the day when I would finally eclipse your family's thieving reputation."
― Clockwerk to Sly Cooper
"The only thing that can be inherited from the dead is the sword of hatred."
― Madara Uchiha (Naruto)
"That hate is his greatest weapon, his friend and the source of his power! Hatred is Sasuke's ninja way."
― Obito Uchiha to Naruto Uzumaki (Naruto)
"If Kanyou is destroyed and a survivor escapes the purge...Then they will become the second Man Goku!! and so, the cycle of hatred will continue...That is unchangeable truth of this world!!!"
― Man Goku to Ri Shin (Kingdom)
"In the first age, in the first battle, when the shadows first lengthened, one stood. Burned by the embers of Armageddon, his soul blistered by the fires of Hell and tainted beyond ascension, he chose the path of perpetual torment. In his ravenous hatred he found no peace; and with boiling blood he scoured the Umbral Plains seeking vengeance against the dark lords who had wronged him. He wore the crown of the Night Sentinels, and those that tasted the bite of his sword named him... the Doom Slayer."
― Slayer Testament (Doom)
"Enforcing your will while experiencing everlasting anger and despair. That's what 'hatred' means. The desire for revenge made me strong."
User becomes stronger, faster, more durable, etc. by hatred of oneself and others, possibly unlocking abilities related to the affinity and enhancing their existing powers. Some users may be able to draw sustenance from the hatred or even slow or stop aging.
Man on Fire (Metal Gear Solid V: The Phantom Pain)
Quest (World of Quest)
Irys (Gamera 3: Revenge of Irys)
Avenger-Class Servants (TYPE-MOON)
Jeanne d'Arc Alter
Devo the Cursed (JoJo's Bizarre Adventure Part III Stardust Crusaders); via Ebony Devil
Doom Slayer (Doom 2016/Doom Eternal)
Red Queen (Vampyr)
Thief King Bakura (Yu-Gi-Oh!)
Akuru Akutsu (Aho Girl) attained a near level of superhuman strength and endurance due to his bottomless hatred for Yoshiko Hanabatake.
Skinn Bolic (D.Gray-man) developed hatred for God and the innocence, due to his extreme hatred for Exorcists and Innocence he became mentally unstable causing his inner-Noah to appear meant only to destroy.
Trigon (DC Comics)
Red Lantern Corps (DC Comics)
As the Titan of Revenge, Titamon (Digimon) is empowered by the hatred of all Digimon defeated by the Olympus XII.
Dr. Raichi (Dragon Ball Z) was revived as a Ghost Warrior by his sheer hatred of the Saiyans.
Having lost his family to the Dragons, Acnologia (Fairy Tail) became a vengeful Dragon Slayer, his hatred towards Dragons ultimately drove him to become the Dragon King.
As a creature born form negative energy, Orb (Marchen Awakens Romance) grows stronger by absorbing hatred.
Demented from the immortality given to him by the Zombie Tattoo, Phantom (Marchen Awakens Romance) is able to draw out power from his hatred towards humanity.
Being a servant of Mistress Love and Master Hate, Avatar (Marvel Comic) possesses various abilities because of that.
The Man on Fire's (Metal Gear Solid V: The Phantom Pain) power is fueled by his hatred of and desire for revenge on Big Boss for defeating his former self, Colonel Volgin.
Shinnō (Naruto) utilizes Dark Chakra, which is created from the despair and hatred of people.
Hody Jones’ (One Piece) hatred for humanity fuels him to the point where he would move far past his body's physical limits.
HIM (Powerpuff Girls) is able to get stronger by feeding off people's negative emotions such as hatred.
Natsuho Nekogasaki (Urami Koi, Koi, Urami Koi) maintains her well-being and strength by hating the Nekuni clan.
Hanzo Hasashi/Scorpion (Mortal Kombat)
Mukuro's (Yu Yu Hakusho) overwhelming power is directly-proportional to how much hatred she feels.
Clockwerk (Sly Cooper) was able to keep himself alive for thousands of years with his own hatred and jealousy for the Cooper Clan's thieving reputation.
The Doom Slayer's (Doom 2016/Doom Eternal) hatred towards the demons is one of the driving points that has led him to constantly battle against the forces of Hell for eons.
Thief King Bakura and Diabound (Yu-Gi-Oh!) gains more power from the hatred of both Bakura and the deceased spirits of Kul Elna.