A mortal sin is the gravest kind of sin because it threatens the soul with eternal damnation unless absolved before death through confession or penitence. It is defined as a grave action that is committed in full knowledge of its gravity and with the full consent of the will. Such sin cuts the sinner off from receiving God’s sanctifying grace until it is repented of, usually in the confessional with a Priest. Examples of a mortal sin are (but not limited to): murder, rape, incest, perjury adultery, lust, gluttony, avarice, sloth, anger, envy and pride.