assistant card master is survivability!"The whole class was silent.The girl at my table had her beautiful eyes wide open in astonishment.Teacher Lu pushed the ruby-framed glasses."Excuse me, classmat...rses neighed, swords clashed, and energy surged.The cracks spread out like a snake from the center of the two combatants' battle, expanding for about 20 meters. Then, sand and stone sank!Both parties...