Tier 0: Lowest level of bacteria and insects.
Tier 1: Basic animals.
Tier 2: Basic Monsters and Humans start here.
Tier 3: Advanced Monsters and Fantasy Races. (Elves, Dwarves, Orcs, High Humans, Etc.)
Tier 4: Creatures of Legend. (Dragons, Leviathan, Phoenix, Etc.)
Tier 5: Those who have a Spark(s) of Divinity and Cultural Deities.
Tier 6: Racial Deities and Beings that rule the Upper and Lower Realms.
Tier 7: Global Deities
Evolution: the changing from a weaker form to a more powerful form. After an evolution, race level is reset to level 1.
Tier 0: level 1-2
Tier 1: max level 5-10
Tier 2: max level 20-50
Tier 3: max level 50-70
Tier 4: max level 100-150
Tier 5: max level 120-200
Tier 6: max level 300-500
Tier 7: max level N/A