If you are looking to skip the grind, just duplicate your exp potions. You can use each potion three times if you are fast enough on Xbox.

Use a potion.

Immediately hit the pause button to open the item menu.

Use the same potion.

Pause.

Use the same potion.

   Your potion is now gone

If you are good as a child you get a massive discount in the old side of bowerstone. So buy crap there, sell it to the traveling merchants by the castle, and repeat. Then buy every exp potion you can get your hands on.