The most Limited Content: Low-Level Dungeons

[ErryK]

Putting a nonsensical band-aid over it ("you lose 85% of your spells that cripples your profession so much it's not even recognizable but get an EXP bonus for that") is worse than having no Roulette at all.

So since you've put this forward yourself, why not just opt to not do the roulette at all if that's better?