Lighting Door (trap idea)
Here's one for you Dm''s who want a trap that will really catch the players really off guard. The players are moving from one room to the other, when they come across a room with two exits in the same direction. One of the doorways is just a regular doorway. The other one is going to absolute shock the crap out of the players when they walk through. To tell the difference between the two, the one that will electrocute the players has wires running in & out of it. If players are caught in the door trap they will take 2d4+3 lighting damage per turn they stay in there.