Beagle's Placement was done so that the device could activate the bell for longer, without Beagle blocking it Melantha would get stunned and lose a ton of hp to the spear flower
I just barely couldn't get Kroos to solo the last drone wave. If you get good enough rng it should be doable without Thermal but I'm not willing to grind this out just for that.
Music:
No Straight Roads - Vs. Sayu (Japanese Verison)
#Arknights