Guild Wars 2

I really the old school missions in guild wars 2 like we had in guild wars 2, where you need a party to follow a story inside the world (Not a dungeon) but i had an idea about this.

The mission on Claw island was bringing all the orders together what i miss in that story was other players doing the story at the same time (BEcause they are part of the orders aswell)

What i would like to see is a mission where you need 10 or more players to achieve a goal for example; The nightmare court are trying to invade the pale tree to take over the new born sylvarri, goal is trying to stop them but on a real battle field (or a new enemy) but its instanced and not real map changing .

Maybe it could be made as a “Simulation hub” made by the asura to see what would happen if this happen like other simulations with centaurs, inquest etc, a real battlefield idea but then PvE related and with real players versus npc’s \

English isnt my native language so sorry if i didnt explain it good enough, but i hope you could give your own thoughts about it and make it even a better idea or maybe you dont like it but i would like to know why, to make this work or not.