To get unlimited Experience in Big Town, perform the following steps. You must have a high Speech skill:
1.) Go to Big Town and find the NPC named Pappy.
2.) Select the dialogue choice “You came here with Bittercup, right?” If this dialogue choice does not come up, find Bittercup, exhaust all of her conversation chains, and then try speaking with Pappy again. should appear next to the dialogue choice if your Speech skill is at its highest.
3.) Selecting the dialogue option successfully will earn you six experience points. Repeat as desired.