Arknights WR-9 Speed + Trust Farm 2 Ops
Estimated auto run time: 1min 31s
All Skill are M3, BUT Surtr works at M0 (just follow the skill activation timings shown in the video)
Only Pot 1 required for all Ops
Note:
Surtr's level must be high enough to be able to kill each Bitey within 4 hits, otherwise she won't work