Rao was an ancient Kryptonian king worshipped as a deity by his followers, who he connected his life-force to at the effect of making himself virtually immortal. Exploring the universe with his acolytes to convert new followers and thereby increase his life span, he clashed with the Justice League when he began expanding his influence to Earth.
Powers and Stats
Origin: DC Comics
Powers and Abilities: Superhuman Physical Characteristics, Enhanced Senses, Flight, Heat Vision, Teleportation, Radiation Manipulation (Created a ring of red solar radiation around himself), Resistance to Absorption (Resisted being absorbed by an amped Parasite), Healing, Energy Projection, Mind Manipulation and Biological Manipulation with Staff of Rao (Can cure disabilities, fire energy blasts, rewrite DNA, minds and emotions to make his subjects idolize him)
Attack Potency: Large Planet level (Can trade blows with Superman, harmed both Superman and Wonder Woman with his heat vision)
Lifting Strength: Unknown
Striking Strength: Large Planet Class
Durability: Large Planet level (Tanked hits from an enraged Superman). His life-force connection makes his very hard to kill, as the damage he takes is received by his followers instead.
Stamina: Extremely high
Standard Equipment: Staff of Rao, Stones of Life
Intelligence: Charismatic leader