Ninpuu Sentai Hurricaneger (2002)

S1E17 Scroll 17: The Darkness and Battle Island

Stranded on a mysterious island after an unexpected teleportation, the Hurricaneger find themselves caught between an assault from the Gouraiger and the sinister Chuuzubo. As the battle intensifies, Ikkou begins to piece together a chilling revelation about the true nature of the path leading to "that"—a truth far more disturbing than he ever imagined.