Watch anime online, stream anime episodes online for free.Watch Ah! My Goddess Episode 21 English version online and free episodes. Anime Episode guide, Chapter Ah! My Goddess Episode 21 English dubbed Ah! The One I Yearn For Is A White-Winged Angel! Skuld begins training in magic, so that she may have an angel just like Belldandy. However, she becomes frustrated by the amount of effort involved, and so tries to shortcut the process through science, building a device to amplify her powers. When she switches it on, it casts a high-level water spell, knocking Skuld unconscious and trapping her with Keiichi.