Zone Boss PvP

The Zone Boss PvP system has received new improvements to make battles clearer, more dynamic, and more competitive.

Added First Blood, leadership change, and clan advantage announcements.
Added new alerts during important boss HP stages and the final minutes of the battle.
Added special effects during key moments of the fight.
Messages have been repositioned to avoid interfering with visibility or clicks during PvP.
General improvements to battle tracking and final result display.