C239 Mysterious Diagram Array of the Nameless Ancient Hall

The three strong Undying Kings were originally weaker than the Old Turtle, and now that they were heavily injured, they were at the end of their tether. Otherwise, those five king level Immortal Creature would not have dared to attack the King.

However, a 'king' was after all, a 'king'. Even if one was severely injured, it was possible to kill a second king level Immortal Creature in an instant