abirdcall
(she/her)
1-4: Student (aka Apprentice, Page) - recognizable to local community (eg. school)
5-8: Professional (aka Journeyer, Squire, Adventurer) - recognizable to town
9-12: Expert (aka Master, Knight) - recognizable to region
13-16: Leader (aka Grandmaster, Noble) - recognizable to nation
17-20: Legend - recognizable to world or plane
21-24: Epic - recognizable to multiverse
25-28: Mythic
Tiers are actually defined.
1-4: threats to farmsteads/villages
5-10: threats to cities/kingdoms
11-16: threats to regions/continents
17-20: threats to world/multiverse
Level 17+ really is handling problems that threaten to destroy the multiverse.