User blog comment:Omega natsu2/Episode 201: Delivery, Review./@comment-4449950-20140927033705/@comment-25111584-20140927092925

@Carrot: He says that he's going to use the last breath Cubellios gave him, not that he can't use DS without her. Suggests more that he can store the energy he gains from ingesting poison indefinitely rather than that he cannot use DS if he can't ingest Cubellios' poison ...