Talk:How to Train Your Dragon: The Hidden World/@comment-35838726-20180610170211/@comment-25002750-20180611075614

I’m not sure this is the way he mastered it because he used it in the serpent’s heir without the lightning, although I’m not sure if that was something that they forgot or just never made it into the comic. It color actually looks like the same one for his plasma blasts, so it could also be an upgrade to his alpha mode.