Okay, here's my write-up of the plan:
[X] Plan Skyfire
-[X] 44d6 Attack (44d6 tricks)
-[X] 40d6 Defense (12d6 tricks technically, like 36d6 in practice)
-[X] 0d6 Intercept
-[X] Leap into the air with Ember-Wing Cloak (-6 Orthstirr) immediately and stay there while we use our 3fold Kindle Spinner.
-[X] Make an 18d6+3 (w/Hugareida) 3Fold Kindle Spinner attack using it as a flamethrower from outside the Threaded-Man's reach (-7 Orthstirr), then charge the Threaded-Man immediately with a 15d6+3 Honedx3 Lightning-Charged Leaping Cleave (-7 Orthstirr) which we will maneuver during with Ember-Wing Cloak if needed (-9 Orthstirr), then make three 12d6+3 (w/Hugareida) Orthstirr-Enhancedx2 Lightning-Charged Firebomb-Strike attacks (-5 Orthstirr each).
-[X] When attacked with a bunch of simultaneous melee attacks, use a 20d6 (w/Hugareida) Orthstirr-Enhancedx4 Inertia-Arresting Throw enhanced with Odr (-10 Orthstirr, -2 Odr) to stop as many as possible
-[X] Aside from that instance, in response to any ranged or Trick Attack while not using Folded Attacks (or keeping up IAT) use Halting Vortex (-4 Orthstirr), and if we are using Folded Attacks (or IAT is up) or something gets through that use up to three 14d6+7 Reinforcedx3 Honed x3 defense (-6 Orthstirr). If we are out of those or are attacked with single non-Trick melee attacks use up to four Reinforcedx2 Honedx2 Defenses using our Defense dice (-4 Orthstirr each, 5d6+7 each) and if that doesn't work and our armor is penetrated use Halting Vortex (-4 Orthstirr).
-[X] Tactics – Leap into the air and rain fire down on the Threaded Man, hopefully dodging its ranged reprisals (which it shouldn't have too many of left anyway), then fall on it like a meteor and hopefully finish it off. If it's still up at that point, defend against its multiple attacks with IAT, paralyzing it for long enough to finish it off with Firebomb-Strikes. If it actually gets into melee before we get into the air, rearrange the order of that (ie: use IAT, then Firebomb-Strikes, then take to the air if it's still alive and finish up with the Leaping Cleave)
I was tempted to use a berry with this, but the time to consume it is relevant in a very problematic way and we maybe have another fight coming up to boot.