High School D×D (2012)

S3E7 The Night Before Battle!

Title: The Eve of the Clash! Plot: As the Rating Game draws near, Diodora relentlessly harasses the innocent Asia. Meanwhile, Issei and his allies gear up for the impending fight amidst growing shadows lurking nearby. When the Gremory team arrives on the battlefield, they are met with an unforeseen challenge that takes them by surprise!