Firebrand event conclusion crashes the server resulting in inaccessible loot

Hamoushe

Description
Killing Firebrand resulted in everyone in the area getting disconnected, upon reconnecting the even rewards were inaccessible.

Bug Reproduction Steps
Kill Firebrand.
There was a second firebrand that was stuck in the wall of the citadel and de spawned with the conclusion of the event (I'm unsure if this is related).

Expected Result
A beautiful loot box.

Bug Report - Actual Result
A cruel tease.

wakkytabbaky

steven tested tumok and firebrand on lyneth against a bunch of people and after many deaths firebrand died and didnt crash anything, was most likely the second one in the wall that did it