teh_g You don’t gain experience in PotD (you gain only a small amount when you enter PoTD). You’ll get xp only in the dungeon so you can progress further to get the rewards at dungeon level 40 and beyond. When you complete the dungeon, you’ll get some kind of credit or something (I forgot the name of it) so you can exchange that to get a new gear or weapon that you can use anywhere.
So basically, PotD xp != class xp. I don’t recommend going in PotD before level 50. Most items you’re able to purchase are for level 50s and beyond.
If you need sauce, here it is: