[sblock=EvolutionKB]
Your study of all things planar has give you the knowledge that outsiders are composed at least partially of material from some other plane (and that demons are native to the Abyss). You know that they tend to possess darkvision, that their souls and bodies are much more intertwined than other beings. Demons in particular tend to attack people for the shear joy of spreading pain and fear, and that they also enjoy tempting mortals into depravity. A subset of demon, the Tanar'ri, are immune to electricity and poison, are resistant to acid, cold and fire, are telepathic, and are able to summon more of their ilk. [/sblock]
At the temple the grizzled veteran scratches at a prominent, long-healed scar on his right arm. Aye, I've fought demons lad. And trust me, any battle where you face a demon is for the Flame. I don't have the knowledge to explain much, but I can tell you that weapons of cold iron are of more use than others, and that they are tough buggers in general. Many a time I've seen one of them things shrug off a blow or a spell that I thought would end its existence.
Good luck, lad. I'll speak to the Flame on your behalf. With that he turns back to his meditation.