Quote Originally Posted by Epic
Acid, Shrooms, X, GHB, K, Heroin, and PCP will lead to a bad trip if you do them all at once.

Words of wisdom from a past mistake.
Damn! Tell the story!
I've not really done many combinations so cant say but I imagine something like PCP and acid or valium and acid would be bad.
Or candyflipping (acid & E) but when the E wears off it must be SO bad