Suggestion: mega boss raid

So I have been now playing this game since 18.05 and have seen lots changes and impressed day by day how game has gone forward. :) I tought to give cool new update suggestion.

So if developers would make new sort of arena where could join for some gold amount like 10000g. And then there would be some sort of new boss raid. First few bosses from earlier areas but stronger than ever. Then you need to kill these first and then real main boss would spawn. As example make new super strong boss which takes over 15min to kill and require somehow all class to be able get killed. There would be as example main boss and around 4 healer which heals boss so you must kill healers first and then main boss. Or any other ideas what we can now discuss here :)

Also make arena where could join more than 5 players as example 10players. It would be very nice boss raid. And drops could be all rarest stuff from ao 2 and 3 and maby some new super weapons. :)