Users possess uncanny intuition with magical phenomena all their myriad forms, allowing them to perceive and understand magic like no other, learn and master virtually any spell and school of magic with outstanding ease.
Their ever-growing understanding of the workings of magic soon allows them to extensively modify any spell available to them, drastically increasing their potency and efficiency, merge them into even more powerful ones, and even create her own arsenal of magical trump card, while intuiting effective countermeasures to most any spell and entity they come in contact with.
As their mystical prowess endlessly soars to ever-greater heights, they eventually reach a near-godlike level, triumphing of terrifyingly powerful entities and entire supernatural armies with little to no effort, often bounding them to service in the aftermath, forging unprecedented empires based on superior magical systems of their own design, and eventually ruling entire worlds of their own making, second only to genuine deities - and who knows for how long.
Roswaal L Mathers (Re:Zero); via Divine Protection of Sorcery
Fai D. Flowright (Tsubasa: Reservoir Chronicle)
Dr. Strange (Marvel Comics)
Loki (Marvel Comics)
Victor Von Doom (Marvel Comics)
Alicorns (My Little Pony Series)
Various Unicorns (My Little Pony Series)
E.Aster Bunnymund/The Easter Bunny (Rise of the Guardians)
Toothiana/The Tooth Fairy (Rise of the Guardians)
Nicholas St. North/Santa Claus (Rise of the Guardians)
Female trolls (Trollz)
Deities of Magic
Sorcerers (Harry Potter)
Lord Voldemort/Tom Riddle
Galbatorix (Inheritance Cycle)
Murtagh (Inheritance Cycle)
Eragon (Inheritance Cycle)
Zoe Benson (American Horror Story: Coven)
Wyatt Halliwell (Charmed)
Elphaba (Wicked); aka the Wicked Witch of the West
Freya Beauchamp (Witches of East End)
Ingrid Beauchamp (Witches of East End)
Reggelid (Dark Sun)
Deities of Magic (RPG's)
Nedians (Star Ocean: The Second Story)
Most Caster Class Servants (TYPE-MOON)
Rin Tohsaka (TYPE-MOON)
Diana's (Marchen Awakens Romance) knowledge of magic led her to eventually become the most powerful witch in all of MÄR Heaven.
Star Swirl the Bearded (My Little Pony: Friendship is Magic)
Twilight Sparkle (My Little Pony: Friendship is Magic), is well known for her intuitive grasp of most forms of magic.
Starlight Glimmer (My Little Pony: Friendship is Magic), has proven herself to be exceptionally talented at magic. After their fight, Twilight Sparkle admits that Starlight's magic is equal to her own.
As the ruler of Equestria, Princess Celestia's (My Little Pony: Friendship is Magic) knowledge of magic is the greatest in all the land.
Princess Luna (My Little Pony: Friendship is Magic), has the greatest knowledge of magic after her sister, Princess Celestia.
Albus Dumbledore (Harry Potter) is believed by many to be the most powerful wizard of all time.
Lord Voldemort (Harry Potter) is the most dangerous dark wizard of all time, and history's most powerful wizard after Albus Dumbledore.
The Tyrant King, Galbatorix (Inheritance Cycle) is arguably the most powerful magician in Alagaësia.
Having undergone harsh training from Galbatorix, Murtagh (Inheritance Cycle) is the second most talented magician in Alagaësia.
As one of the greatest Kido masters in Soul Society, Tessai Tsukabishi (Bleach) can use powerful magic attacks and spells to manipulate space-time.
Hachigen Ushoda (Bleach) has a profound understanding of Kido, allowing him to continue his Kido research after exile from Soul Society and invent powerful and unique spells.
Sōsuke Aizen (Bleach) is a genius in the art of Kido, using the Kurohitsugi of the 90s class Hadō at around 1/3 of its true power to create a torrent of gravity enough to injure and nearly kill captain Komamura...
...and block Tessai's full-powered Kido blast with a defensive spell even when he was a lieutenant.
Dr. Stephen Strange (Marvel Comics) has had an uncanny aptitude for the mystic arts even before becoming sorcerer supreme.
The Gremory Clan (Highschool DxD) are Devils with powerful magic potential.
Rossweisse (Highschool DxD) is a talented genius in Norse Magic.
Gellert Grindelwald (Harry Potter) was an outstandingly talented wizard and was admired and feared by many others of outstanding magical talent . Indeed, even Albus Dumbledore, had acknowledged Grindelwald to be near as powerful as himself,
Ingrid Beauchamp (Witches of East End)
Vali Lucifer (Highschool DxD/Slash Dog) have incredible magic talent, being one of the most powerful Devil wizards in the Underworld.
The successor of the legendary witch Morgan le Fay, Le Fay Pendragon (Highschool DxD) is one of the most talented Magicians of the Golden Dawn.
After sacrificing his original eye to Mímisbrunnr, Odin (Highschool DxD) gained a magic eye of supernatural wisdom that allows him to understand many types of demonic powers, magics, and other spells.
The second generation Witch of the East Augusta (Highschool DxD/Slash Dog) is one of the most powerful Magicians of the Wizards of Oz
The disciple of Augusta, Walburga (Highschool DxD/Slash Dog) has great talent and skill in magic, becoming one of the leaders of the Hexennacht Magicians.