Fiesta For The Observers II (観測者たちの宴篇II Kansokusha-tachi no Utage Hen Ni) is the seventeenth episode of the Strike the Blood anime.
Kojou and company search for Natsuki, whose spiritual powers were stolen by Aya's grimoire and is now missing. Just then, Yukina's surprised voice directs the others' attention to the TV, where Asagi is seen on the live broadcast of the Halloween Fest...
Astarte vs Gigliola & soliders. (started and concluded)
Dimitrie vs Gigliola.(started and concluded)
- 3rd Familiar-Sagara.
- 4th Familiar-nest of snake.
- Rosa Zombiemaker.