Poison is seemingly useless, spare the few points of extra damage it can cause if lathered onto your weapon, but if your pickpocket skill is high enough you can actually kill someone by placing the poison into their inventory. Now I bet you're thinking; 'But Sparkle, this is logical. Poison is very deadly, so it only makes sense that it kills them!'

Yeah, but, here's the thing...

Did they really decide to drink the unknown liquid in the mysterious vial that just so happened to magically appear in their pocket?

Really?