If you don't like it that he can Mountain Hammer through the bars, suspend his character from something. If he's not in contact with the ground, he can't use Stone Dragon maneuvers.
In a world full of martial adepts, it should be pretty well known that to effectively imprison a Stone Dragon adept, you have to sever their connection to the ground.
In a world full of martial adepts, it should be pretty well known that to effectively imprison a Stone Dragon adept, you have to sever their connection to the ground.
