Type Effect Value Found
Pork Rib Used to satisfy the hunger of your monsters
Wing of the Wyvern Used to return to the castle
Leaf Healing herb used to regain partial HP
Gold The only method of gaining gold. Be sure to pick it up when you have the chance
Potions There are many types of potions available. I have seen ones that regain HP and some that recover MP

Extracted from FAQ compiled by Sugoi