: After the battle, they discover the mushrooms on the snake are not the legendary Rust Eater but common matsutake. However, they learn the Rust Eater can be synthesized using the blood of a Mushroom Keeper .
: Realizing Bisco is severely weakened by the rust bullet and poison, Milo decides to take on the rescue mission alone. He injects Bisco with "sleepshroom" poison to keep him safe while he heads to Shimobuki Base. Thematic Development Sabikui Bisco Episode 7
: The primary antagonist, Kurokawa, arrives in a blimp, shoots Bisco with a rust bullet, and steals the actual Rust Eater mushrooms. He also captures Pawoo and uses Jabi as a hostage to lure Bisco and Milo to his base. : After the battle, they discover the mushrooms