The Legendary Rocket Launcher is an upgraded version of the Rocket Launcher in Palworld. Check out how to get a Legendary Rocket Launcher Schematic, what you will need to craft the Legendary Rocket Launcher, and how its stats differ from a regular Rocket Launcher.
How to Locate the Legendary Rocket Launcher Schematic
Schematics for a Legendary Rocket Launcher can be obtained from Jetragon. Once you have the schematic, you will be able to craft a Legendary Rocket Launcher as long as the schematic is in your inventory.