TV Three Hundred Years Later Three Hundred Years Later /10 by 0 users An elf has been guarding the Demon Lord for three hundred years in exchange for a promise of an awakening of her spiritual power and begins to question her situation. Details Casts Posters Images Title Three Hundred Years Later Alternative Titles First Air Date 2021-08-31 Last Air Date 2021-08-31 Number of Episodes 2 Number of Seasons 1 Genres Drama, Networks , Casts Yang Fuyu, Yang Yimo Plot Keywords , Elf Yang Fuyu Demon Lord Yang Yimo