Serapis

Percy Jackson · Books · Minor god, God of the Underworld, God of Alexandria

Minor god

Superhuman Physical Characteristics
Immortality (Types 1 and 8)
Time Manipulation (Can manipulate the past, present and future with his staff)
Essence Absorption
Energy Manipulation
Air Manipulation
Cosmic Awareness and Supernatural Sight
Able to grant the gifts of godhood and immortality
Transmutation
Regeneration (At least Low-High, albeit over time, but only if is scattered into essence first.)
Resistance to Transmutation
Transformation
Time Manipulation
Magic
Soul Manipulation
Necromancy

If the Staff is destroyed, Serapis's past, present and future will be destroyed as well, by doing so, Serapis will cease to exist.

Ranked #24 of 99 in Percy Jackson by strength.

Serapis vs Unicorn Jabu (Saint Seiya · Tier 6-A): Unicorn Jabu · Slight edge
Serapis vs Haltmann Works Company (Kirby · Tier 6-A): Haltmann Works Company · Slight edge
Serapis vs General Krang (Teenage Mutant Ninja Turtles · Tier HIGH 6-B): Too close to call
Serapis vs Atlach-Nacha (Cthulhu Mythos · Tier HIGH 6-B): Too close to call
Serapis vs Firestorm (Pre-Crisis) (DC · Tier HIGH 6-B): Serapis · Slight edge
Serapis vs Cathleen Bate (My Hero Academia · Tier HIGH 6-B): Serapis · Favored
Serapis vs Quake (Marvel · Tier HIGH 6-B): Serapis · Favored
Serapis vs Sarada Uchiha (Two Blue Vortex) (Naruto · Tier 6-B): Sarada Uchiha · Favored