Cardfight!! Vanguard - 1x64 - Season 1, Episode 64- Followmy.tv

Ren taunts Aichi throughout their battle, trying to get him to use his PSY Qualia. Feeling angry, Aichi does and summons Blaster Dark to the surprise of everyone. However, this causes him to change his personality back into what he was before when he first uses PSY Qualia. Meanwhile, a mysterious entity possesses Rekka temporarily, informing Kourin and Suiko of an impending doom about to happen on the planet Cray and a war between the many clans which will be decided based on the outcome of Aichi and Ren's battle. The mysterious being also explains the truth of PSY Qualia. Back to the match, Kai reminds Aichi that this was not his true self which causes Aichi to overcome his dark self. As he is confused over his two selves, Ren declares 'Final Turn' and crossride Phantom Blaster Overlord and utilizing its Persona Blast.