immortal E3 Baha
Bahamut - Lv.120
18 bit damage if you lv up the wep to 50. Can do all the content with average gears. The helm along with R cd reduction from Signus gives you 95% reduction for 100% of the time, and 100% while you are channeling R, it's very hard to die :P. Note that this is not a speed run build.