Guild Wars 2

There was an update on the last hours, right? But I tried the mission again, and it keeps the same thing. I thought I would be able by now to keep with my missions (after reaching level 80 with crafts and exploring).
I think the only way to complete this mission is make a party with 30 players, and I don’t really know if we can win, because the summons looks infinite.

It’s also happening with me. It happened last week while I was in the mission Striking off the Chains trying to keel the last Krait (priest). After last update, it was solved. Now, it’s important to solve the same trouble, but in “Intercepting the orb”