Crystal

Crystalia Amaquelin aka Crystal (Portrayed by Isabelle Cornish)  is the naïve and curious sister of Medusa, Queen of the Inhumans.

Powers

Inhuman Metabolism: Besides strength, Crystal possesses certain physical skills superior to those of human athletes. Her Inhuman metabolism affords her slightly greater reaction time, endurance, and speed than the human race's most perfect physical specimen, Captain America.

• Enhanced Reflexes
• Enhanced Endurance
• Enhanced Speed
• Enhanced Strength

Elementalist: Crystal possesses the ability to mentally manipulate the four basic elements of nature: fire, water, earth, and air. She does so by means of a psionic interaction with the substances on a molecular level.

• Pyrokinesis: By controlling oxygen molecules she can cause fire to spontaneously ignite or she can douse any oxidizing flame by altering the ionization potential of the outer electron shells of oxygen atoms. (Thus, she can only affect valent bonding properties and not inner nuclear forces, rendering her unable to initiate or affect fission or fusion).
• Hydrokinesis: She can join hydrogen and oxygen molecules to create water, summoning these molecules from a volume of atmosphere within a radius of approximately two miles. Further, she can control the movement of water to a certain extent, via manipulation of inter-atomic van der Wall's forces controlling surface tension, divining water from the ground and causing it to flow in designated directions. The observed maximum volume of water she can control is approximately 2,000 cubic feet (about 15,000 gallons). Thus, she cannot change the course of rivers or cause the sea to part.
• Geokinesis: She can control the various substances that make up common bedrock (earth: iron, granite, shale, limestone, etc.), creating seismic tremors of up to 6.7 on the Richter scale (greater if tectonic plate fault lines are nearby) by causing a sudden shifting of the earth. The observed maximum volume she can affect at once is 1.8 x 10" cubic feet (approximately 1/800 of a cubic mile).
• Aerokinesis: She can also control oxygen atoms and oxygen-containing molecules to create atmospheric disturbances of various kinds. By intermingling air with earth she can cause a dust storm, air with water a typhoon, and air with fire a firestorm. She is able to create a wind of tornado intensity, approximately 115 miles per hour.

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