Once Upon a Time in Asgard

This is a crossover fanfiction between Witches of East End, Merlin and Once Upon a Time.
This fanfiction takes action right after Emma Swan became the new Dark One.
These events happen after Emma became the new Dark One (Ouat) and after the Beauchamp's family return to their kingdom, Asgard (WoEE) and when Merlin became a wise and old sorcerer (Merlin)