You are going to Watch Witch Hunter Robin Episode 20 English subbed online free episodes with HQ / high quality. Stream Anime Witch Hunter Robin Episode 20 Online English sub All I Really Oughta Know.The sinister Hunter known as Sastre has his sights set on Robin. Meanwhile the “Fragment of Wisdom” is stolen from Nagira’s safe and winds up in the hands of Sastre. In the oncoming fight, however, Robin realizes she can see Sastre’s attacks as they come at her and is able to defeat him. Her powers have fully awakened and according to Amon she is now a witch.