Seymour Flux eh? Ok... Bio is a good idea. (but I was stupid and forgot to activate its node for Lulu) I Mixed an Electro Marble and a Petrify or Silence Grenade and silenced him for a few turns. Also Aeon Overdrive. He was going to use Total Annihilation, but he died right before he could. (Thank you Energy Rain!) Attack Mortiorchis, this will sap Seymours health for more damage than you can probably do. (until Morti drops to 1000 damage, then hit Seymour) My last tip, when he casts Reflect on himself, Dispel it! Then laugh as he deals about 1400 damage casting Flare on himself!