"The invasion is coming, Lord Vader. But I have now bought the Empire time to prepare."
―Thrawn, to Darth Vader
The Grysk first appeared in Timothy Zahn's 2018 canon novel Thrawn: Alliances as the primary antagonists. The Grysk share several similarities with the Yuuzhan Vong species from Star Wars Legends, who originated from Del Rey's 1999-2003 book series Star Wars: The New Jedi Order, including parallels such as both being a threat to the Chiss Ascendancy hailing from the Unknown Regions and enslaving other races. Both species are also described as having sloping foreheads and skull-like faces. A major difference, however, is that the Grysk use conventional mechanical technology rather than biotechnology.
Grysk
The Grysks were a warlike sentient species that hailed from a planet in the Unknown Regions. Known to be half of myth, the Grysks were a nomadic warrior society that ruled an empire known as the Grysk Hegemony. They used a common script and a rare language. According to Chiss Grand Admiral...
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