tutorial: https://www.youtube.com/watch?v=8Fj0NfeQjWc , its outdated though, if you want you can rollback to an older patch

I dismantled myself to get 93% core creation cost reduction as Ottomans. build requires being a tribal despotism -15%, ottoman 1.19 ideas in -33%, admin ideas -25%, reforming hofghericht
as catholic hre emperor -10%, coptic bonus -10%

I have several questions, associated with both the event and the political map in the background