Boss

A dozen bone dragons just approached the Return of the King and their companions, and activated their dragon breath skills at a long distance, releasing a dozen silver-gray gases, which swept in from all directions and instantly engulfed the six Return of the King.
In a blink of an eye, all six of them were petrified, and three or four hundred points of petrification damage appeared above their heads!
Seeing this, even though four priests cast spells at the same time, they were unable to...