Here is a guide to start high-level content : sets, weapons, trophies, classes and some other things.
https://docs.google.com/document/d/1JB6aeon1JvjAsrO3iOCdigSttCNgEt8m/edit?usp=sharing&ouid=110266443864428775955&rtpof=true&sd=true
Healer guide (not complete) :
https://docs.google.com/document/d/1DVlYs34STW3dR5A9UktYGrtVzSZfGfOX/edit?usp=sharing&ouid=110266443864428775955&rtpof=true&sd=true
Debuff calculations :
https://docs.google.com/spreadsheets/d/1tMb6yog0kXnsbLwKDLFNoG0HHr9tYXQy/edit?usp=sharing&ouid=110266443864428775955&rtpof=true&sd=true