Doing it on the weaker account first. Easier than I thought it'd be. For 12-3, need to position to push the Fatui rifle guys and Abyss fire guys towards each other, as it saves tons of time. I accidentally messed up the usual character order, so I was a little confused. Failed 12-3 a few times because I was a little too slow or the lag wouldn't let me switch characters and I died. Didn't use Furina because she's still only Lv70.
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