Can you beat Brencis in The Blood of Dawnwalker's prologue?

Summary

At the end of Blood of Dawnwalker 's prologue, you'll fight Brencis , the Knyaz of Vale Sangora, and quite obviously the game's main antagonist. It's one of those classic "you're not supposed to win this" boss fights, since losing to him plays a cutscene and continues the story. But where there's a will, there's a way. Below I'll explain what happens if you…