Arknights: Endfield - Update 1.6: Sanctuary of Ink

Version 1.6 of Arknights: Endfield includes: • New Operators: Si, Argent Flow • New RE-Factor Headhunting: Tangtang • New Areas: Si's Painting • New Story Content: New story chapter and missions • New Gameplay Modes: Contingency Contract, Arena of Games • New Systems: Gear Plans, Auto-Farmer • New Events and Rewards