Collect Demon's Souls! (Part 1) is an collection quest that appears once Sung Jin-Woo enter the Demon Castle. Notification QUEST DIRECTIONS Demon Castle is filled with Demons. Hunt down Demons and collect their Souls for special rewards. Retrieved from "https://solo-leveling.fandom.com/wiki/Collect_Demon%27s_Souls!_(Part_1)?oldid=6176" Categories: Quests Languages: Community content is available under CC-BY-SA unless otherwise noted.