Rumble of Rock, Greater (3.5e Feat)
From D&D Wiki
Rumble of Rock, Greater [Dance Style]
You are strong until the end
Prerequisite: Greater Gemini Dance, Rumble of Rock(improved)
Benefit: When dancing, a Gemini Dancer with this feat does not fall unconscious and automatically stabilizes when reduced to less than 0 HP, nor does she die when her HP reaches -10 or less. However, she still suffers the effects of this damage when the dance ends. While dancing the gemini dancer also gains gains DR 8/adamantine and +12 Con while dancing. This benefit replaces the lesser and improved dance style benefits.