Owari no Seraph Episode 5 English Subbed Episode Title:Black Demon's Contract.Episode Description:Krul assembles her vampires together and declares war on the Japanese Imperial Demon Army due to their rise to power. Meanwhile, Guren encounters Yuichiro and approves his request of arranging a time for selecting a Cursed Gear. Later, Yuichiro ends up being the only student who failed the spellcraft test in his class. When Guren arrives in the classroom, he uses his Cursed Gear named Mahiru-no-Yo, which takes the form of a katana, to determine which of the students can withstand its demonic energy. Yuichiro, Yoichi and Shiho are the only students able to do so. Guren takes the three of them underground to a chamber to choose a Cursed Gear for themselves, despite knowing the risks.