Apophis

Percy Jackson · Books · Serpentine manifestation/God of Chaos or Isfet, Darkness and Night

Powers and abilities

Superhuman Physical Characteristics
Immortality (Types 1, 3, and 8)
Regeneration (Low-Godly; like any other god he can reform himself in the duat if he is killed, although this is likely non-combat applicable, due to the amount of time it takes)
Possession
Reality Splintering
Chaos Manipulation
Incorporeality
Conceptual Manipulation and Abstract Existence (Embodies chaos and destruction, which his sheer presence radiates)
Paralysation
Resistance to Transmutation
Mind Manipulation
and Soul Manipulation

Can be destroyed if a magician casts an execration spell on his sheut

Ranked tied for #14 of 99 in Percy Jackson by strength.

Apophis vs Leviathan (Digimon Universe: Appli Monsters) (Digimon · Tier HIGH 6-A): Leviathan · Slight edge
Apophis vs Rufus Shinra (Remake) (Final Fantasy · Tier HIGH 6-A): Rufus Shinra · Slight edge
Apophis vs Yuka Suzuki (Fairy Tail · Tier HIGH 6-A): Yuka Suzuki · Slight edge
Apophis vs Yasutora 'Chad' Sado (Bleach · Tier HIGH 6-A): Too close to call
Apophis vs Yune (Fire Emblem · Tier HIGH 6-A): Too close to call
Apophis vs Delphinus Mii (Saint Seiya · Tier HIGH 6-A): Apophis · Slight edge
Apophis vs Akane Yashiro (Godzilla · Tier HIGH 6-A): Apophis · Slight edge
Apophis vs Malekith (Marvel Cinematic Universe) (Marvel · Tier HIGH 6-A): Apophis · Slight edge