mounts_of_mayhem-1.7.0-neoforge-1.21.1.jar is a release file of the Minecraft mod Nautilus & Spears | Mounts of Mayhem for NeoForge, made for Minecraft 1.21.1. It was published on October 22, 2025 and is 0.2 MB in size. For the full description, screenshots and every other version, visit the Nautilus & Spears | Mounts of Mayhem mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.