'Helix Dragonoid' (スパイラル ・ ドラゴノイド supairaru . doragonoido, Original version Spiral Dragonoid) is the evolution of Cross Dragonoid and Dan Kuso's Guardian Bakugan in Bakugan Battle Brawlers: New Vestroia and Bakugan: Gundalian Invaders before he evolved into Lumino Dragonoid. He is the final evolution of Drago in the second season.