MetalGreymon's assaults are instantly compared to person nuclear warheads in Digimon canon. Essentially, SkullGreymon can shoot a single nuke whole, MetalGreymon can shoot many : Gatomon and Patamon's Armor Digivolution sequences the two feature them briefly becoming an upward-travelling beam of glowing rings since they fuse with their respective armor https://squid41728.acidblog.net/66359083/digimon-fundamentals-explained