I Beat Phantylia Using Only Erudition Characters [Honkai: Star Rail]

Phantylia can be quite a tough boss fight in Honkai: Star Rail. But what if you take away all potential support characters and ONLY using Erudition...
Well that's exactly what I tried to do, and after weeks of preparation, I succeeded.
Is it possible to beat the content of Honkai: Star Rail with ONLY Erudition Characters? That means the story, forgotten hall, simulated universe, etc.
With no sustain of any kind, it's definitely gonna be a challenge for us... And getting a Himeko on the account is all we can hope for with our first 5 star
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