In the many towns and castles throughout the world, you will find people who can help in many ways, for example by giving you useful information and buying or selling weapons and armour. You'll meet different citizens from day to night, so visit often.
Armoury
Buys and sells weapons and armour.
Item Shop
Buys and sells items like medicine and antidotes.
Bank
Stores your money and items.
Inn
Restores the HP (Hit Points), AP (Ability Points) and status of all party members if you stay the night.