Ultimate Omega Viper/picto weapon exists, but no normal?

[Daralii]

a bunch of weps from the benchmark are missing, alexandrian, dreadwyrm to name a couple

Bermuda Triangle/deep dungeon drops maybe? I can't think of why else they'd design, model, texture, and animate(in the case of VPR) the weapons and make them available in the benchmark but not the actual game.