Upon taking this feat allows the one taking it to defy the laws of life and death. Once per long rest if the player character were to drop to 0 hit points this feat activates defying the laws of death and allowing the player rise once again and roll a d100 depending on the roll  will determine the player remain hit points. (see chart below) if character drops to 0 hp before a long rest is taken death saves will incur as normal with the down side of having 1 auto fail death save.

0-10=1 hp

11-20= 1d4 plus con

21-30=2d4 plus con

31-40=3d4 plus con

41-50=4d4 plus con

51-70=5d4 plus con

71-99= 6d4 plus con

100=full hp