Thinking about my game world and what should happen in it in the not so close future, I came to a simple decision: WAR. This is an article on the topic of war.
Traps need to make sense. Somebody must of made it for a specific purpose.
Herbalist in the group mistakes one plant for another and mistakenly poisons the group. Not to death, but pretty darn ill with recurring symptoms until the cause and cure are realized. (Local people may be able to help rather easily. "You ate Dragon's Rot you fool, looks and smells just like mint except it has these small thistles on the root. Only grow in the Hornwood Forest, that must be where ya got them. Eat this and you will feel better in 4 hours."