Nanatsu no Maken ga Shihai suru Episode 15 English Subbed Episode Title: Last Song Episode Description: Pete's beacon allows the various rescue parties to converge on Ophelia's hideout. The Sword Roses and Cornwallises arrive first, greeting a tearful Pete before being confronted by Ophelia herself, who begins her endgame: the casting of a Grand Aria, a high-level ritual that creates a pocket universe of the caster's design. Entrapped within a world in the form of Ophelia's womb that will infinitely birth chimeras, the Sword Roses attack her to end the spell but are swiftly overcome. But Ophelia hesitates, reminded of her own loneliness amidst their companionship...