Origins: JoJo's Bizarre Adventure (Part 5: Vento Aureo)
Classification: Human, Stand user
Threat level: Celestial+
Physical strength: Giorno is high human, GER ignores strength but should at least have its strength from when it was Golden Experience which should be at least large building
Destructive capacity: Universe+
Speed: Infinite speed as GER since it ignores the concept of speed
Intelligence: High. Like most JJBA protagonists, he is a superb tactician with great analytical capacity, skilled and experienced fighter.
Stamina: High. Most characters in JJBA have shown to be capable of keeping themselves in combat even when receiving life threatening wounds. Although shouldn't really be relevant since normally he'd be able to reduce to 0 any negative effect inflicted against him.
Standard equipment: None noteworthy.