Larian Studios Forums Divinity - Original Sin Divinity Original Sin - Mods MainCampaign -Canｴt generate AIGrid /Terrain/ Save

have you tried copying the Level to your own module? Don't know if that will work though

edit:
well just tested it, ai seems to work but terrain needs a little more love



edit 2:
terrain works as well.
For this you need to copy the terrain.data from the level you want to edit to the editor folder, example:
..\Data\Editor\Mods\__YOUR_MOD_NAME__\Levels\Cyseal\Terrains\

For all of this to work you need to unpak the .pak files with lstools so you can copy the original files to your own mod