Guides
ZEN
Zen is the most basic currency in MU Online.
It can be obtained through hunting or by selling items to shops.
This currency can be traded between players.
RUUD
Ruud is a currency used to purchase items and skills from NPC Priest James.
It is a binding currency that cannot be traded individually, and can be obtained through event maps or events.
You can acquire ruud through the mastery box that you will earn in events.