OP said I should freely add my videos to the bunch (I mastered all set dungeons), so for any of you interested in seeing another view on how to solve the set dungeons look at my contribution. Short explanations in video descriptions itself.
Delsere Magnum Opus:
https://www.youtube.com/watch?v=0m7wmiw-MFo
Firebirds Finery:
https://www.youtube.com/watch?v=dPuolCJuvSI
Tal Rasha:
https://www.youtube.com/watch?v=GShnJzoa6_4
Vyr:
2