The Clans Ambush event was a filler event for newer players, giving these players to also unlock some event items. Normally the filler events are Plague Warriors, but this time around they decided to make a whole new design for it.
WoM's new full scale event Clans Ambush
Sire, the plans of the clans are revealed! Desperately, they have launched a suicide attack. Flush them out of the lands they occupy, to get rid of them!