The Poison Rose - S1.E5

One of the three strongest Specters, Minos, uses invisible puppet strings to invade the supposedly impenetrable Sanctuary, killing Saints off one after the other. However, a poisonous rose garden appears between Minos and the Sanctuary, and Pisces Golden Saint Albafica appears. Albafica is immune to the rose's poison, and uses his own blood to kill the Specter Niobe, however...