Just finished last world boss and it crashed, did I miss anything? [SPOILERS]

General
#1

I got the null exception error.

Faeria Run 2017-07-03 - Exception at Jalmyr.jpeg2560×1440 249 KB

(my solution. best world boss killer IMHO)

Faeria Run 2017-07-03 - World Jalmyr Defeat.jpeg2560×1440 581 KB