What the heck kind of unbalanced server are you on?! 5 MVP cards, but nothing over +9?!
The current theory has been that Firex is Acid Bomb, but not effected by +% ranged mods. Everything else is same. (But there's some data that isn't explained by it).
+% physical effects still work, as do +% matk effects.
If you're going to be using only half a shield, you might ditch that and use a hurricane fury - the damage will be better, and you'll still have the same meager reduction you'd have from the hodrem (though not the def, but def in renewal sucks). Also, for acid bomb, UPGRADE YOUR WEAPON! Upgrades get counted twice in the AB formula, because they apply to both atk and matk!
I don't remember if RWH works through firex.
Not sure what the best damage headgear is. If using HF, +% atk/physical is better than +% matk (by about 1.5-2 to 1, depending on your str). I don't know what headgear options are available on your server - headgear varies a lot server to server.
BUT - you will have a hard time 1-shotting, since it will only be casting level 5 acid bomb (it uses highest level known, or level5 if you don't have it). I don't have a good feel, and I don't feel like running the numbers (DIYFS) for whether this is attainable.
Here's another idea (note - how reasonable this is depends a lot on your servers economy and how filthy rich you are - I'm assuming you're pretty baller from that gear):
Switch to: 2x RWC pend s3s3 (with anything EXCEPT a phen card in it! Probably gold scarabas) - that's 32% cast reduc, then 2x spell 4 on the HF, 52%, +9 3x spell FAW - 82%, then either +9 crown of deceit (if you have it on your server), or +9 KK EMH and DI sunnies. You now have instant cast cart cannon - no need for phen. Go on a rampage spamming CC. decard the drac and put it into your HF if SP is a problem. If you have CoD on your server, you actually have an extra 12% cast reduc like that if you put KK in it, so you could switch out one of the spell enchants on the weapon or FAW for an EA one for more damage. I think this would kill faster than trying to 1-shot with Firex-AB5
Edited by DrAzzy, 28 March 2014 - 07:55 PM.