Rob: Okay. I search for traps.
Mike: You're not even anywhere important yet...
Rob: Heh, rolled a 20.
Mike: Fine. You see no traps.
Rob: But I rolled a 20! That means I should see ALL the traps!
Mike: YOU DO! YOU SEE ALL ZERO TRAPS!
Rob: Alright... I search for hidden walls
Mike: YOU ARE STANDING OUTSIDE, THERE ARE NO HIDDEN WALLS!
The Introduction of Roamin and Gaary and their discussion about secret identities