Board Thread:Skyrim/@comment-11618741-20150726035340/@comment-26074798-20160118035837

You can easily spare Paarthurnax alive without mods -- Just, never kill him :P

All jokes aside, just reading the top: Quite sure that's a bug if there's a dialogue option that's ",,," (Did you mean "..."?") I would ~guess~ that using console command  by itself would work fine, without all the additional steps. I'll test it later, if I have time.