The Broodmother Arena, also known as Cobweb Cave is an arena for fighting the Broodmother Lysrix boss. The Arena is 37 °C or 100 °F bring good Hyperthermia protection. Calien Soup is highly recommended!

Broodmother Lysrix can also be challenged on The Center. The Center Arena appears to be an abandoned monastery worshipping the Megapithecus, as evidenced by various statues. The Arena is 6 °C or 42 °F So little Hypothermal protection is necessary. Entering the arena on The Center will also require the Megapithecus Tributes.