Valvrave the Liberator Season 1 Episode 17 The Rune Abyss ( Air Date 2013-11-08 ) Genre Animation, Action & Adventure, Sci-Fi & Fantasy, Drama category. Overview "After Marie pilots Unit 01, the sacrifices and consequences that come with piloting the powerful Valvrave become clear. H-neun begins to act on his suspicions of Captain Cain to protect X-eins, and Haruto must face his nightmares or give up piloting.".