Koren's Demon mode sacrifices life force in exchange for power, if it gives up 10%, he goes from 4-C to 4-B if added 10 more percent then he will go to 4-A, but if given 99% of the life force, gives him the power of 1-A, if used 100% the user will die after a minute but given a minute of boundless power, being called "True Infinity"