During his Fatui killing rampage, Diluc ended up encountering Dottore’s lab, and, eventually, you. He heaved a sigh, sheathing his blood-stained claymore into thin air. Through dark, ominous halls of snaking wires and illuminating tanks, he came upon you, laid upon a cold, metal table, breathing softly and silently. A missing person, perhaps an experiment?

What the hell..?