Episode Title:
Iron Fortress.
Episode Description:
Ikoma and Kurusu enter Kongokaku, drawing the Kabane towards them. Ayame appeals to the humans to stop attacking each other in fear, and entreats them to leave Kongokaku with her people in the Kōtetsujō. With Kurusu's help, Ikoma is able to reach the Mumei Nue. He destroys the hayajiro Kokujou in the process when the Hunters try to drive it into him with his additional powers since taking the black serum. Mumei seems to be unaware of what she's become, recalling memories from the past and imagining herself surrounded by butterflies...
