Wandao Tunzun: I Have a Tiandao Debt Repayment System

When he was bullied and on the verge of death, the boy accidentally tied into the debt repayment system. Devouring all things will increase your strength. From then on, you can counterattack and defeat powerful enemies from all walks of life. You can travel through the three realms and thousands of realms. You can use your mortal bones to devour thousands of ways and reach the pinnacle of supremacy.