Watcher Knight

Behavior
The Watcher Knights have three attacks:
 * Watchful Slash: The Knight swings its massive Nail twice in succession.
 * Rolling Crusher: Curls up into a ball and spin-charges The Knight.
 * Bouncing Crusher: Curls up into a ball and jumps several times while spinning.

Trivia
Рыцарь-бдитель
 * Given their name, they are presumably the deceased elite bodyguards of Lurien the Watcher.
 * Combined, the Watcher Knights have the highest total health of any other Boss in the game except for Dream Bosses and The Radiance.