Webzen officially announced MU Legend as the successor to the popular MU Online series, generating excitement among fans.
The first closed beta testing phase started to gather player feedback and identify bugs.
A second closed beta testing phase was held to further test game mechanics and balance changes.
MU Legend entered its global open beta phase, allowing worldwide players to experience the game freely and provide feedback.
MU Legend was officially released globally, marking the start of its commercial service.
The MU World is created by the God of Creation as a realm of order and balance.
The Dark Lords, beings of chaos and destruction, begin their rise to power threatening the MU World.
A legendary order of warriors known as the Dark Lord Hunters is formed to combat the increasing menace of the Dark Lords.
New heroes, called Adventurers, emerge following the cataclysm to protect the surviving lands and restore order.
Adventurers wage war against the Forgotten Ones, powerful demonic beings threatening to engulf the MU World.
The Dark World Gate, source of many evils, is sealed by the combined effort of Dark Lord Hunters and Adventurers.
A Dark Lord named Mephistopheles returns from exile seeking vengeance and dominance over the MU World.