At the 2019 New York Comic Con, a new trilogy from Timothy Zahn was announced, to be entitled "Thrawn: The Ascendency Trilogy", or simply the "Thrawn Ascendancy" trilogy, to launch with "Book I: Chaos Rising" in May 2020. After being delayed twice, the first novel was ultimately released on September 1, 2020. In the novel, it was revealed that Thrawn was born as Kivu'raw'nuru (core name Vurawn) before being adopted by the Mitth family, changing his name to Mitth'raw'nuru (core name Thrawn). The novel also covered more of Thrawn's backstory alongside other Chiss characters, such as Ar'alani, that also appeared in "Thrawn: Treason", the previous novel by publication order.