1. Normal Human
Example: Villagers, basic civilians.
Stats: F to E Rank.
Notes: No powers or special skills.
2. Rookie Fighters (Pirates and Marines)
Example: Rookie pirates, low-ranked marines.
Stats: E to D Rank.
Notes: Basic combat abilities. Very few have Haki.
3. Strong Fighters (East Blue Boss Level)
Example: Arlong, Don Krieg, Captain Morgan.
Stats: D+ to C-.
Notes: Strong fighters for weaker seas. No real Haki users yet.
4. Basic Haki Users / Grand Line Newcomers
Example: New Grand Line adventurers, lower bounty pirates.
Stats: C- to C+.
Notes:
Basic Armament or Observation Haki.
Start encountering Devil Fruits.
Ravro's Current Power
Tier: 4
Notes:
3 years old and already using Haki.
Mythborn bloodline (sealed for now).
Very high Willpower and Intelligence stats.
5. Vice Admiral-Level Fighters
Example: Garp (early days), Smoker (Marineford level), Tsuru.
Stats: B- to B+.
Notes:
Skilled in both Armament and Observation Haki.
Often Devil Fruit users.
Command authority over fleets and bases.
6. Warlord-Level Fighters (Shichibukai)
Example: Crocodile, Jinbei, Boa Hancock, Moria.
Stats: B to A-.
Notes:
Legendary individual powers.
Influence and rule their own territories.
Velra (Abyss Knight)
Tier: 6 (Shichibukai)
Notes:
Absolute loyalty to Ravro.
Strong Armament Haki.
Devastating combat ability.
Could easily defeat most Grand Line pirates.
7. Yonko Commander-Level Fighters
Example: Marco, Katakuri, King, Queen.
Stats: A- to A.
Notes:
Elite combat mastery.
Perfect Haki control.
Usually second only to a Yonko.
8. Yonko / Fleet Admiral-Level Fighters
Example: Shanks, Kaido, Whitebeard, Akainu.
Stats: A+ to S.
Notes:
Sea emperors.
Power to destroy nations alone.
9. Legendary Figures
Example: Gol D. Roger, Prime Whitebeard, Rocks D. Xebec.
Stats: S+
Notes:
Legendary conquerors.
Could change the entire world's fate.
10. Mythical Unknown Beings
Example: Imu? True Ancient Weapons? Mythborn Awakenings.
Stats: Beyond S+
Notes:
Cosmic or godlike forces.
I might tweak it a bit later but that it for know