Cyan Sung-Sun is Arrancar 56 and one of Tier Halibel's most loyal Fracción. Before becoming an Arrancar, she was a snake-like Adjuchas who fought alongside Halibel and Franceska Mila Rose—the three of them formed the core of what would become Halibel's group long before Emilou Apacci joined their ranks.
Cyan's best known for her role in the Fracción's signature technique, the Quimera Parca. Her Zanpakutō is called Anaconda, which takes the form of a sai and can be concealed in her sleeve. When she releases it, she transforms into a Nāga-like form. Working in tandem with Franceska and Emilou, the three can merge their left arms to create Ayon, a chimeric Hollow powerful enough to take down most of the Soul Society's lieutenants.
The group's defining moment came when Halibel's base came under attack by a Hammerhead Arrancar—Cyan and the others rushed to help their leader, but they were ultimately saved by Aizen before things went too far.
Content compiled by AnimeList.moe from publicly available sources.
