DM
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"Well, that's mean, now I've got to tunnel through that whole thing." He chuckled. "Makes me miss the small pickaxe I got for my sixth birthday." He casually walked up to the moving wall, hacking away at it while steadily retreating and in the end stepping through the hole next to the portcullis, confident the trap will have run its course there.

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I get through one inch of stone per Mountain Hammer, how thick was the door?
and don't update with me beating through it yet, let them a little worry for the dwarf's safety