I highly doubt there is anyway to severely increase my damage.... His foh has minimum of 8200 with a maximum of 8400 dmg...

gear is:
5-5 Lite Bugged Tals
5-5 Lite Griffs Eye Diadem
24/-25 +3 foh Scepter
4 bo cta
Um'd HoZ
Armageddon Slippers
2x Bk
Arachs
Soul Shenks
Bloodfists
10x pcombats
anni
Life sc's.

I'm pretty sure hes not poorly built.... It usually takes 2 fohs to knock off their cyclone armor and then another to kill them.