TWF 4th Offhand attack?

[Tyrol]

Title says it all. Basicly want to know if there is anything past Greater Two Weapon Fighting, for people with 16+ BAB (4 main hand attacks) to get that 4th attack with the offhand. Anyone?

 

[Ranger REG]

Perfect Two-Weapon Fighting [epic] feat.

See Epic rules in the 3.5e DMG or the Epic Feats section of the 3.5e SRD.

 

[Tyrol]

Thanks!