Blade and Soul Season 1 Episode 4 Sword ( Air Date 2014-04-25 ) Genre Action & Adventure, Animation, Sci-Fi & Fantasy category. Overview "Seto and Pia work by collecting garbage around the red light district. They invite Alka into their house, as it seems she has lost her sight. She remembers Master Hon's teaching. One day Seto is attacked and he ends up killing his attacker and selling his goods.".