Twin of Heaven and Earth

A soul from earth "accidentially" reincarnated into a body of both the twin abd shared the same mine though able to think and act seperately they able to know each other thought and action. one body chose to use knowledge of previous world and become a runemage another body become a warrior to cover the weakness in term of strenght. I am not good at english as it is bot my first language so if u found problem and can suggestion about it I would be very appreciate