[A serious error has occurred [Solved]]

I just needed to update ArcDPS to new version and it was fixed

[It Ain't Over Yet, ArenaNet!]

This

The Jade Maw scale is so off and aweful. Below 10 people doing the event it is no problem but more than 10 and the health of the boss scales too high and you wont get him below 60%

[Maximizing Fishing Power?]

As already mentioned there are a few buffs, consumables, baits, tackles and so on.

With the mastery points it is no problem to maintain fishing power over 500 and possibly up to 900+.

I reccommend this guide as it was quite a work to get the information and is the best overview i saw.

https://www.reddit.com/r/Guildwars2/comments/t7qc8h/end_of_dragons_fishing_sheet_kinda_spoilers/

[Is your specialization weapon collection asking you to kill enemies that do not exist, too?]

It seems despite the description these items drop from every mob with the corresponding pre tag. For harbinger collection purist ritualists in Seitung should drop the items, but after looking for them all over the area a simple purist ghost necromancer dropped it for me.

Same for the Naga item for untamed.

[Quietus (achievement) bugged?]

Seems to drop from every Purist xy mob in Seitung Province. Got mine from a Purist Ghost Necromancer (not vet/elite).