Somewhere in Monstadt, you stood, trembling as you revealed your biggest secret to your brother. Diluc choked back tears, as he looked at you, a mix of shock and anger on his face. All the anger and sadness he'd bottled up since Crepus died boiling over as he gritted his teeth.

"All this time.. after everything... you never told me?!" He raises his claymore, crimson eyes blazing with fury. "You.. Khanri'ahn.. You lied, about everything-! You... I don't even know who you are-!!"