Grace

A  is a unique power created by the Supreme Deity and possessed by the Four Archangels of the Goddess Clan, except Escanor who is a human.

Overview
The Graces are four unique powers created by the Supreme Deity whom she gave to her four strongest fighters to fight against the Demon Clan and the Ten Commandments, their strongest military force. These powers give their users a special ability and augments both their magical and raw power to make up for the difference in numbers between the Commandments and Archangels.

The users can lose their Graces when absorbing an opposite power, such as when the Archangel Mael lost his Grace when he absorbed the Love Commandment thousands of years ago.

If a human tried to take in a Grace, unlike a Commandment which would turn them into a demon, it would destroy their body and kill them. The only exception is Escanor that was somehow born with the Archangel Mael's Grace, thousands of years after Mael lost it, though recently Escanor has shown some internal bodily damage where he coughed up some blood while his Grace was active. Its later revealed that Escanor's body was actually suffering of a great pressure to wistand the Grace, putting Escanor's life at risk if he continues using it.

After resolving to help his friends battle the Demon King in Zeldris' body, Escanor asks that Mael let him borrow Sunshine one last time, despite Mael's warning that it will kill him this time, but agrees to his request and grants him the power for one last fight. After the destruction of the Commandments and Zeldris leaves with Gelda, Escanor's body reaches it's limit and is destroyed by the power of the Grace, resulting in his death.

Domain of God
An alternate dimension created by the Graces that is cut off from all other worlds and there the users of the Graces have complete control over what happens there. Anyone with raw power less than two Archangels would be trapped there, completely at their mercy.

Estarossa is almost killed by Sariel and Tarmiel in this world, but he manages to survive and break free by absorbing more than one Commandment, giving him power above both of them.