Arcana Heart 3 Free Download PC Game, After its establishment, the Drexler Institute developed artificial and arcane valkies. Minori Amanohara was one of the few products of that research that was born in the Japan branch of the institute. She is a “hybrid”, a special Valkyrie who can use the powers of arcane and geist. She escaped from the facility with Petra’s help. “Doing good deeds in secret” is her motto, so she uses her ability to overcome evil without being seen.