"My strength is the eternal endurance of the mountains. I will not break."[PH2:22] Prerequisite: Dwarf Stonebones (11th level): Whenever you take a critical hit, roll a d20. If you roll 10 or higher, the critical hit turns into a normal hit. Strength of the Earth (11th level): When you spend an action point to take an extra action, you can also spend a healing surge. Dwarven Resurgence (16th level): When you use your second wind, you make a saving throw against each effect on you that a save can end.