ultimate boss suggestion

[Slush]

so my suggestion today is that we have an ultimate boss. this boss would be incredibly hard, and only can only be overcome with strategy and teamwork. it will have a 100% drop rate of exclusive pink items. such as "ultimate boss flail of darkness" or something along those lines. one exclusive item for each class (a dex, str and int wep) these items would have a completely NEW (not rehashed old items) design. of course, they would sparkle and glow etc etc. the names are just examples. you have to go through a dungeon of 200+ strong enemies, with a handful of regular minibosses.once at the boss stage, there is no revives, once your whole team dies, you get thrown out of the dungeon and have to start again. i understand this is quite like the shadow caves pre-patch, but this boss can absolutely not be beaten without communication, unlike the caves where any decent pub team can kill the boss. thank you for reading, and please post your ideas.

EDIT: one ultimate boss map comes with each future campaign. it activates like a mini-dungeon, you have to clear all the previous maps in the campaign.