Which episode is the original fight between the ghost king and the virgin Mary?

Interestingly, the saint came out to crusade against the devil, but she was beaten. The saint's name is luna, and her position is very noble. Although she is the youngest one, she is confident to embark on the road of crusade against the devil. But the sage still overestimates himself. The guards around her didn't even reach level 30, which didn't hurt the Lich King at all. Saint luna even scared off the staves.

TV animation "Come back, Devil! The light novel of the same name, adapted from Shen Yi's black-printed works, was published in September 2065438+2008. The animation was made by EKACHIEPILKA.