When Roswaal happily tells the story of how his romance with Echidna began 400 years ago, Beatrice rebukes him for casually calling it a "romance." Ryuzu interrupts to comment that Echidna saved her, as well. The one thing these three very different people share is their gratitude toward Echidna. But their days spent in both amicable and argumentative conversation about Echidna are brought to an end by one man's arrival.
It was just a bit of yin magic, I suppose.
كان ذلك سحر اليين فحسب، على ما أفترض
Das war nur ein bisschen Yin-Magie.
Solo era magia aplicada.
Solo era magia aplicada.
Je ne faisais que tester
ma magie des ténèbres.
Ho solo usato un pizzico di magia yin, oserei dire.
Eu só usei um pouco de magia yin.
Я лишь немного 
попрактиковалась в магии тьмы.