Crossover Nami's Grace (One Piece/Nanatsu no Taizai)

On the brink of death from the Kestia bite infection she had suffered from, Nami finds herself meeting Sariel of the Four Archangels and made a pact with him to heal her body and become the host of his hibernating form in exchange. Gaining his abilities, Nami intends to make good use of them as a member of the Straw Hat Pirates.