: Bisco and Milo encounter the Pipe Snake , a two-headed, dragon-sized divine beast.
: 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 . Sabikui Bisco Episode 7
Episode 7 of , titled " The Stolen Rust Eater ," focuses on the high-stakes confrontation at the Ravine of Children's Tears (Konakidani) and a significant shift in the series' tone from adventure to a rescue mission . Key Plot Points : Bisco and Milo encounter the Pipe Snake
: While previous episodes teased a major clash between Pawoo and Bisco, they quickly form an uneasy alliance to defeat the snake and rescue Milo. titled " The Stolen Rust Eater