Arc the Lad Season 1 Episode 25 Holy Ark ( Air Date 1999-10-04 ) Genre Animation, Sci-Fi & Fantasy, Drama, Action & Adventure category. Overview "Elk, Arc and the others begin a dangerous journey into the heart of Romalia, the country where Darkness now resides. Numerous traps and enemies are arrayed against, but with Clive having already commanded the brainwashed Lieza to begin opening the Holy Ark, the heroes must find a way through them all if they are to save the world from being engulfed by Darkness.".