Many if not all ‘proc’ damage sources that come from traits or sigils seem to be wildly inconsistent. Basically any form of damage that does not come directly from your skill bar (fire/air, static discharge, lightning rod,….) seems to have two set damage ranges that it switches between randomly, the lower one being around 40 percent lower than the higher one. I have tried to find some consistency, but to this day struggle to do so.
There have been some reports of this bug scattered around the forum, but it’s quite a sneaky one so it hasn’t gotten much attention yet. It is however a very very impactful bug.
A very basic example of the bug in action (do note that sigil of air is not the only thing this bug affects, not by a long shot):
Channeling arc lightning vs the indestructible golem, sigil of air procs for:
1163
1063
1053
1069
1123
Spamming hurl on the exact same build, sigil of air procced for:
700
659
649
598
670
TL;DR: There is a weird bug that causes all non-skill damage to fluctuate between two vastly different damage levels.
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