Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding Troubleshooting Making dead merchants drop everything?

You should not have to unpack anything. As https://docs.larian.game/Working_with_projects#Project_Type:_Adventure_or_Add-on.3F mentions, if you wish to change story, you have to create an "Adventure" module. Then create an extra story file in your module and add your code there.