- "A scientific man ought to have no wishes, no affections—a mere heart of stone."
- ― Charles Darwin
- Earth/Rock Heart
- Heart of Stone
Users possess a heart made of or transformed into pure rock. This could be literal, but it could also make the user more durable metaphorically, unimpaired by unruly emotions.
- Protection against Heart Stopping.
- Ambition Manipulation
- Artificial Heart
- Heart Entity Physiology
- Indomitable Will
- Multiple Hearts
- Stone Mimicry
- Strong Heart
- Strong Soul
- Heart may be inadequate as a functioning cardiac organ.
- Serious harm can come to the user should anything befall the stone heart.
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