Basic In comparison

   "Arrrg!!" David grunted loudly in pain, as he felt a few of his bones shatter on impact, due to the force of the collision.

    Fortunately, the floor of the stage had been strengthened with powerful runes and artifacts, so despite the huge power behind the crash, no cracks appeared on the surface.

   The runes didn't affect the spells of the Elementalists fighting on the stage in anyway, neither did it affect combat mages also. 

   It only strengthened the stage, making it impervious to spells and attacks from those below Stage five. 

   So basically, no one below the stage five mana core stage could make a dent on the stage, meaning, no student in the academy could damage the event stage.

   The black haired Elementalist tried to hold unto his consciousness, but after struggling for a few seconds, he eventually passed out due to the huge amount of pain coursing through his body.