As Poldara pointed out you get TTW from well having a tank. Thats 12% more dmg without doing anything differentOriginally Posted by Chaonar
Well, in Ulduar Gear Arcane was not considered better. Fire/TTW was considered better. Every Mage played Fire/TTW in Ulduar including me. Arcane did get the Top Spec in 3.2.0 or 3.2.2 when Arcane Blast charges could be stacked to 4 and MBAM did cost no Mana.
Additionally Living bomb hitting multiple Targets yields more Hot Streak Procs.
Gearwise, Both Trinkets are absolutely terrible for Arcane (they are absolutely horrible in general :>).
Arcane lives on Cooldowns (even more so with 4-t10) whereas ffb has only one. Why you did not use them lies beyond my imagination. Use those CDs!
Frostfire is dead since 3.1 when Fire/TTW outscaled Frostfire. It shined once more at TOGC25 Anub with incredible AOE but thats a specific fight with specific needs.
Since Frostfire is virtually the same as Fireball, switch to that, do more dps and it gets nice buffs next patch which bring it on par with Arcane.