I feel like I actually have good reason to necrobump, and this has been a helpful thread for me, so I'm going to add my experiences with soloing Vidala. Hopefully it can help other players like me who came back recently and don't have a good network of helper-friends yet. So I do apologize if this is too verbose or pedantic for a lot of veterans.
I struggled a lot with this NM as a below average geared BLU, even going so far as to level SCH to attempt a wind MB nuking strat(without many JP or optimized gear, so ofc it failed). What ended up getting me the win was going BLU/WAR and zerging it, surprise surprise. You just can't count on white procs in this fight. They're gravy if you get them, but this is really just a dps race.
Melee gear was taeon hat/legs/feet with TA/acc, rawhide hands acc path, qaaxo harness, +14dmg Claid/Mimesis, so not exactly great. Had about 400JP.
I'm having a hard time recalling the exact trust combo I used, since I tried out so many and only got one win (not because it was a fluke win, although luck can certainly be a factor, but because 1/1 on vest). But:
tank: Gessho and Amchuchu both worked well. I actually think i won with gessho
rdm: King or Arcielia.
support: qultada
whm1: kupipi
whm2: apururu
is what i think i used/what i would use if i were to do it again. 2 whms may be overkill, and its entirely possible that i used Shantotto2 or Ullegore in place of Kupipi, especially if I had Gessho as tank. Memory is hard.
- set Retinal Glare, as it will completely ignore his level. With my 'meh' nuking set, it was hitting for around 2k regardless of how many times he had leveled up. Very useful for Perfect Dodge, and can be pretty clutch if he's at like 8% HP and youre whiffing all your attacks due to him being level nine thousand; you can whittle him down with Glare.
- eat sushi
- build tp to 3k on trash
- buff with occultation, cocoon, natures med, diamondhide if you want, diffusion mighty guard (very important, obv), any other buffs you feel the need for
- use all your DD temp buffs: champions/bravers/barbarians/monarchs drink (save fighters in case he levels up too much for your acc, though tbh youre probably screwed anyway if you cant kill by then, depending on where his HP is at)
- pop NM, occultation should protect you from petrifaction, but ofc its not 100% so have that -PDT set ready or have a petrify screen(which i did not,but i also never had occultation fail me on this so, i guess ymmv)
- use tenebral crush
- berserk, warcry, open with 3000%TP savage blade > Efflux Thrashing assault > Light, burst with Diffusion Ray. You might take hate, but its gonna happen eventually anyway.
- CDC spam, Retinal Glare 'spam' if he Perfect Dodges
- Retinal Glare and/or fighters drink if needed to finish him off