Boku No is a Roblox game in which you can take the role of a hero or villain. Playing as a villain, you will need to destroy the world. And the hero will have to protect the world from being destroyed. You can reborn your character with a special power named quirk.
The best common tiers are Engine and Gigantification, and the top uncommon tiers are Air Propulsion and Acid. The most prominent rare tiers are Creation and Cremation. The best legendary tiers are Fierce Wings and Explosion and the top Mythical tiers are Deku One For All and Tomura All For One.
Common Tier

Engine |
Gigantification |
Hardening |
Jet |
Navel Laser |
Regeneration |
Somnambulist |
Tail |
Voice |
Zero Gravity |
Uncommon Tier

Acid |
Air Propulsion |
Black Hole |
Clones |
Electric |
Hellflame |
Permeation |
Pop-Off |
Shock Absorption |
Warp Gate |
Rare Tier

Creation |
Cremation |
Dark Shadow |
Decay |
Frog |
Manifest |
Muscle Aug |
Muscle Augmentation |
Orcinus |
Quirkless |
Legendary Tier

Explosion |
Fierce Wings |
Half-Hot Half-Cold |
Overhaul |
Mythical Tier

Deku One For All |
Tomura All For One |