In one of my current WIP (Vampire Killer #02), there's a scene where the MCs are fighting a vampire, and their holy water gets wasted, so MC #1 goes to the fridge, gets out a flavored malt beverage (a "wine cooler" without actual wine), pours it on the vamp, and sets him on fire. He'll then burst into flames and get destroyed. How plausible is this? These drinks are typically around 11.2 fluid ounces, 3.2% of which is alcohol. Would that be enough, or would she need something stronger?