"Pass me the blue one." said Quinn.
"Are you sure?" asked Elise. "It's just, you were sure about the last two combinations, and that ceiling got closer both times."
"It's a gamble, I agree," replied Quinn, "but whatever's behind this door has got to be worth it."
Elise passed Quinn the blue stone which he placed carefully in the final slot. As the grinding began, Quinn looked to the door while Elise looked up...
The ' Thunderstone Door Trap ', a nice mix of doors, traps, and Thunderstones!
Tired of kicking down dugeon doors? This one kicks back.
"The Pegoran saw the circle as the link between this world and the next," the mage said. Before he could pontificate further, "So the door rolled in Raygar to send him to the next?" the rogue blathered, "What a mad peoples!"
The PCs are setting up camp at the end of their first day of walking through the Esh-Inel Mountains, when they hear in the distance a low rumbling, like thunder. It grows progressively louder until it echoes off the mountainous bowls around them, then dies away again. At its worst the ground starts trembling. It happens every day at this time, and it is the noise of the Great Carts on the dwarfish underways returning home after a day mining, laden with many tons of ore.