User blog comment:Httyd big fan/Thirty-Fifth Dragon Fight Club Match: Night Fury vs. Light Fury/@comment-35863978-20190304232118/@comment-38705130-20190307053832

Actuatuly Toothless is a alpha

the lightning mode is  the transformation of a Night Fury to a Titan Wing Night Fury

or you are talcking about Toothless's attack....(lightning mode...)