hold down shift and b.
it will change items in the store by the Empire camp in chapter 1.
Multiple items of the same type are or often combined in a character's inventory. When you give one of these items to another character you are asked how many you wish to give. Put in a negative number and the recipient will appear to receive only one of the item, however, in most cases, it will be inexhaustible. Torches, poisons, potions, lockpicks, and alchemy ingredients.
Bless a person 3 times. The person will become a powerhouse.