Murasame Alter is an altered form of Murasame from Avataro Sentai Donbrothers, associated with the series’ cyborg swordsmanship and the mysterious technology surrounding the Donbrothers’ conflicts. As a combat-focused character, this form is portrayed as a powerful weaponized entity rather than a typical human ally. It plays a role in escalating battles and deepening the story’s mystery, especially around control, identity, and transformation. The character’s presence adds tension and spectacle to the series.