[Gameplay Background]     Humans have same address for Infinite Revive [Death Lord], Travel to any space[Time Traveller], appear and disappear in quick succession [Juggernaut], and Powerful damage [Lava Demon of Hell], which are World BOSS!

[Requirement of participation]     Character Lv is above 40 and 3 players or above team-up.

[Challenge rules]     World BOSS will befall on Star Lands at certain times, players randomly get items reward by defeating the BOSS. 20 minutes after BOSS be killed, the team has to leave, and therefore other teams can challenge the BOSS. After BOSS left, players have to wait for some moments, then the BOSS appear again. Players can get twice World BOSS rewards every day.