Spell Return: There Is No Lower Limit for Breaking Through at the Beginning

As a college student, Su Lian never dreamed that it was actually possible to travel through time while sleeping. Moreover, why was he so unlucky that he fell from the sky and hit Gojo Satoru on the head? Damn it, how should I explain this? At the same time, when he arrived in the world of magic, he obtained the sky and the curse. He exchanged the magic power and the memory of the plot for a right hand that could erase all special abilities. In other words, this is the adventure of a materialistic right hand fighting back in the spell