Ah, this one was thinking, perhaps more of a-
Wait, no, we have the purple lotus potion for drug induced haze to tie someone up.
But not entirely dissimilar from that, in that it is a Sorcerous way of harvesting the resource of thrall, so possibly more of a lethargy or torpor enchantment.
Turning enemies against each other is possibly more useful for aggro management than for actual slaying.
Also, no fair bringing up EQ, this one left reverse gravity alone, no matter how tempting it would be to have something that works like the somewhat amusing bug of flying rhinos.