The user can create, shape and manipulate the energy of the primordial Chaos in varying ways, allowing things such as energy projection, using the energy for various supernatural feats, to inducing effects of chaos, etc.
War's weapon (Darksiders), the Chaoseater has the ability to absorb chaos energy made in the battlefield. When at max capacity, War uses the stored energy to...
transform into his almighty Chaos Form, a bestial demon made of flaming chaos energy.
The Chaos Elemental (Runescape) is the strongest creature alive with the capability to project chaos energy that causes discord.
Knuckles (Archie's Sonic the Hedgehog) and his enemy Dr. Finitevus clashing with their Chaos Energy powers respectively.
Dr. Finitevus (Archie's Sonic the Hedgehog) wields a corrupted, black variation of Chaos Energy.
Whenever Shadow (Archie's Sonic the Hedgehog) channels Chaos Energy into his body, he can unleash his powerful Chaos Blast in form of a destructive explosion...
...a narrow energy beam...
...or focus it into his fist for a single strike.
In the form of Chaos Knuckles, Knuckles (Archie's Sonic the Hedgehog) is essentially living Chaos Emerald, possessing a direct connection to the Chaos Force stronger than that of any other known living being
Chaos (Sonic the Hedgehog series) is a former Chao that, through exposure of the Master Emerald, became the god-like entity named Chaos, a creature composed of pure liquid Chaos energy.
Using Thunder Arrow, Enerjak (Archie's Sonic the Hedgehog) projects electrical Chaos Energy.
Silver, Sonic and Shadow (Sonic the Hedgehog series) can assume super powered forms by harnessing the Chaos energy of the Chaos Emeralds.
Shadow (Sonic X) using his Chaos Spear attack, in which he fires off Chaos Energy that appears as energy bolts.
Hawk (DC Comics) wields the energy of the Lord of Chaos, T'Charr.
Warlocks (World of Warcraft) have the ability to wield chaos energy through the use of Shadow Magic.
Kefka's (Final Fantasy VI) ultimate attack Goner unleashes a massive blast of chaotic energy to destroy his opponents.
With a mere fraction of Chthon's power, the Scarlet Witch (Marvel) could warp all of reality, casting her spells over countless souls, worlds, and dimensions, affecting alternate realities and permanently shifting all the possible futures of the entire Marvel Universe.
The Mistress of Chaos
Knuckles the Echidna (Sonic Archie Comics) can use Tikal's Prayer to use the Chaos energy of the Master Emerald in order to heighten his strength.