nycto-1.21.10-b1.jar is a beta file of the Minecraft mod Nycto for Fabric, made for Minecraft 1.21.10. It was published on October 8, 2025 and is 1.7 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Nycto mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
