. She leaves a trail of blinding, icy particles in her wake, capable of freezing the vacuum of space or creating refractive illusions to confuse her foes. Magma Core (The Asteroid):

Earthly science has rules, but a rock from a distant galaxy can possess fictional radiation that defies the laws of physics.

They called them the Bolides — not meteors, not weapons, but an army of geological myth. Each rock carried a life, a personality carved from cosmic dust and human longing. Where one settled, the ground remembered how to grow. Where another struck an office block, the elevators learned to dream, and elevators never again went to the thirteenth floor the same way.

Introduced to the world in the 1940s, Kryptonite is the ultimate space rock. It represents the radioactive remains of Superman's destroyed homeworld. When these glowing fragments fall to Earth, they alter the power dynamics of the DC Universe. The Spectrum of Radiation

between the Sentinels and the Void-Eater, or should we develop individual backstories for one of the heroes?

Sometimes the "rock" is actually a dormant vessel or a piece of advanced machinery.

Concentrated "rocks" containing the essential aspects of existence: Space, Time, Reality, Power, Mind, and Soul.