For solo, you'll need to have HQ staffs and most the basic and some of the other equipment for BLM.
Elemental Obis(s) and the right elemental day is preferred.
Need to be able to kill one without using your 2hrs(Baby), before Sleep II wears off on the bigger.
Notable: Good Dark Skill setup to Aspir these correctly, it is your friend. Enfeebling, Bind is God. Don't waste AMII less its going to kill it, and always sub /RDM. Keep Shell and its JA Shell Dispelled, will more less half your total DMG.
Shouldn't need a +Elemental Skill build really..if you're 8/8 elemental magic and 5/5 on both potencys, that should be more than enough. But I wear AF1 Hands fulltime in that ENM just to ensure my resist rates are floored.
Even then I do not have Zmitts to use so thats out of the question, otherwise I'd Zmitts and Merciful Cape.
Pick up a Novio make it even easier(I lawls at this because its rare as hell to obtain less you have a good Sea LS). I seen your gear the other day, seen you lacked a HQ staff you was wearing, you'll definatly want Thunder/Ice if you haven't already. Otherwise your gear seemed uber.
If you can kill the one, the other will be cake. Just die after its dead, raise up rest full reset yourself...Elemental Seal Silence him and go to work on it, manafont at your own leisure. Unless you're tarutaru, I doubt you'll have enough MP to continue unto the other one, even with Manafont active/able to use. As you're lacking I think 300-400 MP less then a Taru does.