MoonSong
Rules-lawyering drama queen but not a munchkin
Yes because we know rangers and paladins have enver a caster levelThe other benefit is multiclassing. Now you can refer to class groups instead of individual classes and fix broken future comboes without an errata each time a new class comes out.
When you multiclass into a warrior class that grants heavy armor proficiency, you do not get heavy armor proficiency until you have 3 or more warrior levels.
When you multiclass and do not already have Extra Attack, you do not gain Extra attack until your warrior levels are 8 or greater or your character level is 11 or greater.
Your caster level is your mage and priest levels plus half your trickster and warrior levels, rounded down.
Seriously, this isn't anyhting that couldn't be solved by having a simple "Multiclass proficiencies" entry on classes that are specially front loaded in that regard. or just saying that you don't get proficiencies until theird level on a class. Not really anything that couldn't be done without grouping. And really if every class has to comply with a very straight and rigid mold the differences between them will drop. And that is bad.