Yeah, Khim Fulm range is definitely over max casting range as our healer was getting hit at 26 yesterday. It doesn't hit that hard if you switch to PDT for the stun/paralyze duration though (~100-150 from HQ and I forgot my helmet) and it is stunnable with Weapon Bash/Stun which is what I've been doing on our runs. Arcane Circle/Crest obviously helps with damage and frequency too.
I've had decent success stunning it but the main issue seems to be that Salvage zones have a constant R1500-2000+. At least everyone I've asked about it has said that's the case for them (it certainly is for me) so you have to be quick with the stunning and sometimes still get screwed by lag. Generally if one gets off, it's difficult to stop the next one if it comes quickly. The HQ got a few off when we went yesterday as it used it more frequently than I could stun/recover but we still managed to kill fine (Apoc DRK + SCH + THF, daredn't use my Ragna), I just switched to PDT until we recovered. I don't know how quickly the healer managed to get rid of paralyze and cure though.
If things were looking rough, I'd probably get the THF to stand out of range in case of a death. That's obviously trio not duo though. I could imagine it being very rough duo without a reliable stun if Fulmi decided to be a pain and was spammed.
Does being behind it force Plague Swipe? Would be a possible way around it if it does.
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