Overview
Moder is one of Valheim's environment / weather states, identified internally as Moder. Force the world into this environment with the cheat command env Moder, and return to natural cycling with resetenv. Environment changes are useful for screenshots, testing biome-specific events, or just resetting bad sailing weather.
About
Moder is the boss-fight environment that activates during the Moder encounter in the Mountains. It applies a frost-storm with heavy snow and biting wind around the Forsaken Altar.
Commands
Sets the current environment to Moder.
Resets the environment to its natural state.