620 with All Missions Immortal Hall Perma Map | CC#2 Underdawn Easiest AFK Guide 【Arknights】 Arkchive 6 Clears CC#2 Battleplan Underdawn Immortal Hall 620 Submitted by admin about 5 hours ago Squad Use squad Texas Ines Lin Bagpipe Myrtle Eyjafjalla Ifrit Goldenglow Virtuosa