This modpack has of course permissions to be made, also, you can be crazy with this too, if you want to create a server based on this modpack, then do it, whatever bro, be happy.
Installing a modpack using the Technic Launcher is easy. If you don't already have the launcher downloaded, visit our download page to get the latest version.
Type in the modpack name (Minecraft: Demon Slayer) or paste the following url into the search box.
Finally, click Install at the bottom right of the launcher after you select Minecraft: Demon Slayer from the list on the left. The launcher will handle everything else!
This modpack has of course permissions to be made, also, you can be crazy with this too, if you want to create a server based on this modpack, then do it, whatever bro, be happy.