Around 18 BBY, the Grysk Hegemony utilized members of the telepathic Agbui species in a scheme designed to ignite internal conflict within the Chiss Ascendancy.
The central narrative of Timothy Zahn's 2021 novel, Thrawn Ascendancy: Greater Good, which is the second book in Zahn's Star Wars: The Ascendancy Trilogy, revolves around the Agbui's scheme to ignite a civil war in the Ascendancy. This plotline was initially hinted at through a pledge made by "Jixtus" to Qilori in Thrawn Ascendancy: Chaos Rising, the 2020 prequel to Greater Good.