I was hoping that well, you know how after level 20 you keep leveling up to gets motes of light? Well why don't they just give you that level. That why the experience would mark the playtime. Vanilla players would be max (or almost) as soon as TTK hits people that joined later would have to rank up from whatever they were at. For example I have earned 27 notes from ranking up after lvl 20 which means I'm lvl 47 I know a guy who bought HoW (who has friends and RNG loves him so he's done everything and I still haven't gone flawless) he'd be level 27