The Amphisbaena III (天使炎上篇III Tenshi Enjō Hen San) is the eleventh episode of the Strike the Blood anime.
The deserted island turns out to be a research facility owned by Magus Craft where Kanon's father, Kensei, conducts research. Kojou and Yukina are attacked by a vanguard force, but the one to save them from danger is Princess La Folia of Aldegia, a young woman with deep connections to both Kanon and Kojou.
- Kojou vs Soldiers. (started and concluded)
- Yukina vs Beatrice. (started and concluded)
- La Folia vs Lowe. (started and concluded)
- Kojou vs Kanon. (started and concluded)
- intelligent weapon familiar, Jagra.