Every boss is a NF can be easily melted with the proper strategy. For Omniwhore I like to have a WOL Titan drop a bubble on her platform. All three players proceed to unload their heavies followed up by Arc Shotguns. If done correctly she won't last more than 30 seconds. Thunderlord shreds her, Gally melts her. Shotties eat her alive. WOL will increase the damage on LMG's and Shotties not rockets so start with rockets, pop up a bubble and take away the last half of her health with shotties and LMG's (switch over from rockets).