A spell from Sword Coast Adventure's Guide Conjuration Level:Cantrip Casting time:1 Action Range:5 feet Components:V Duration:Instantaneous You create a momentary circle of spectral blades that sweep around you. Each creature within range, other than you, must succeed on a Dexterity saving throw ...
I mean perhaps not in 5e, but the commoner class and adept class, those are things, both in pathfinder and older version of D&D... so yeah, average people do in fact level up. The point of fact is how many years of actual training would it take to level a...