Star Wars: The High Republic, The Edge of Balance: Premonition — Daniel Jose Older

The High Republic has plunged into darkness as the fearsome Nihil continue their destructive advance from the Outer Rim!
As the Jedi Knight Lily Tora-Asi and her fellow Jedi fight to protect the Jedi Temple on Banchii in the battle against the Nihil, Jedi Master Yoda must find a way to protect the younglings who call the planet home. But the fearsome Marchion Ro, the Eye of the Nihil, has other plans for the Jedi Master and those in his charge as he unleashes his most terrifying weapon against the Jedi yet…