Here I will post basic information regarding Mages as this is a new concept for Narutoverse.

Apprentice Mage - 100-125 years

Mage - 200-250 years

Intermediate Mage - 500-1000 years

Advanced Mage - 2000-5000 years

Great Mage - 10000-50000 years

Archmage - 100000-1million years

Semi-Saint - 1million-10million years

Saint - Immortal

Sage- Immortal

Great Sage - Immortal

Character's Realm:

MC: Apprentice Mage

Celia: Peak Great Mage

Seven Celestials: High Great Mage

Hinata: Elite Genin