Advanced Techniques Guide?

[Pharphis]

I see in-game challenges for advanced techniques, but there is not really any explanation on how to do them (aside from the names) and the challenges themselves are actually extremely difficult

[Qual]

Updated ( and late ) response for new players:
Please join the discord to discuss about it and learn about thoses techniques.

Advanced School Pack is a community pack of level made by player @1221 that was later integrated directly with it's own page inside the Community Section of the game.
it a technical pack intented to proeficient players in search of more advanced levels.