First-off I wanted to give a warning. The ratings suddenly exploded over night with 500 new 10 star ratings and the rating jumped from 6 to 9 stars. Seems a bit suspicious if you ask me.
That said, this film is like a filler episode in the Mythica story. Nothing much happens to progress the story. A bit cool dialogue and a new character keep it somewhat interesting. The fighting scenes and the new quest are far inferior though to the previous film - and this, plus the filler story, is why I didn't enjoy it as much.
If you want to continue following the Mythica universe, you should still watch it, but lower your expectations and don't expect as good a film as the previous one! I think it's justified to call this a filler episode - keep this in mind and you are good to go.