|Manga||Yu-Gi-Oh! D-Team ZEXAL|
CXyz, read as Chaos Xyz, is group of anti-Xyz Monster archetypes native to the Barian World through the Rank-Up-Magic series within the Yu-Gi-Oh! ZEXAL anime and manga series. According to Astral, They are made to for sole purpose of destroying Numbers.
The CXyz first appeared during the duel between Fender and Yuma Tsukumo in episode 74 of Barian Saga. Fender used the Rank-Up-Magic Barian's Force to Rank-Up his monster into CXyz. According to Astral, CXyz monsters are produced by the Barians at Barian World as weapons to defeat the Numbers.
Usually, CXyz are shown to be made up of a frame of energy that is native to Barian World. Their Chaos Overlay Units are also attached to them in form of a red diamond crystal shape. They can absorb the opponent's Number Overlay Unit leaving opponent defensively. When a Barian were to lose a Duel to an individual by a CXyz, they would disappear from existence since CXyz are made up of material form Barian World.
When a normal monster is Chaos Xyz Evolution through Barian's Force, Overlay Network is colored lines of green squares form a sphere around the rainbow energy and from it a monster emerges. As a Number is Ranked-Up through Barian's Force, they are still are CXyz monster having all its characteristics, but they go under Number C instead and the Barian Gate appears in the process. Also, CXyz monsters consist of the Power of Chaos allowing them to destroy Numbers anytime.