Arknights: Endfield is set to release its latest free update, 'Sketches of Lost Heirlooms', on June 5th. This update promises to enhance the gaming experience with a wealth of new content, including the introduction of the Sword Vault Dale region, where players will hunt for the titular Lost Heirlooms alongside the Wuling Watch. The update will feature two new characters: Mi Fu, a key member of the Wuling Watch, and Camille, an investigator entangled in a grim murder case. Their arrivals will be staggered, adding excitement to the gameplay. Additionally, the update marks the debut of the Contingency Contract system, which will introduce new challenges and gameplay mechanics. Factory management will also receive significant improvements, including a backup power function and interface tweaks aimed at enhancing user experience. With these exciting developments, players are encouraged to engage with 'Sketches of Lost Heirlooms' upon its release.