Even Piell在Coruscant Nights中的死:
Piell's Padawan, Jax Pavan, was knighted two months before the war's end in 19 BBY by this point, Piell, now quite old, was no longer a member of the Jedi High Council, and his vacant seat was taken by Anakin Skywalker. Piell was present in the Jedi Temple when Order 66 and Operation: Knightfall were initiated. Hordes of clone troopers, led by Anakin Skywalker—who had become the Sith Lord Darth Vader, freshly turned to the dark side—assaulted the Temple, mercilessly killing Jedi, employees, and younglings, while across the galaxy, clone troopers turned on their generals and executed them. Piell fled the Temple, finding his way into Coruscant's underlevels and hiding there. He believed that he was the only senior Council member to survive the slaughter,though several other Councilors did in fact survive. In the days that followed, Palpatine issued the Declaration of a New Order, becoming Galactic Emperor, and the remaining Jedi were hunted down one by one by Darth Vader and many other dark side underlings. Piell knew his days were numbered, and for the first time in his life, he knew fear.
Piell survived for weeks; while many of his fellow survivors stopped using the Force in an attempt to avoid detection, he refused to sever his ties to the Jedi Order and continued to utilize the Force. He did, however, avoid using it in public, though he generally lived in ghettos and slums in the Crimson Corridor, where he could avoid detection. Some time after Operation: Knightfall, Piell learned of a droid, designated 4-TO, that held considerable amounts of secret information of a sensitive nature about the Empire. According to his sources, Darth Vader was attempting to hunt down the droid, and Piell made it his mission to locate it, believing he would save many lives in doing so.
Several months after the Great Jedi Purge had begun, Piell was somehow located by the Empire, and teams of stormtroopers pursued him in Coruscant's deepest slums. Sensing them through the Force, he attempted to hide in what was once a spice den, but in doing so, he had allowed himself to be cornered. Piell tried to escape via a tube, through which an elevator once traveled, though he had to use the Force in order to push himself upwards. The stormtroopers entered the building just as he entered the tube, and began firing at it; too late, Piell realized their tactics. They fired above and below where he was, melting the tube and fusing the two sides together to create an impassable mass, leaving Piell trapped. Using his lightsaber, he was able to free himself from the tube, though he was still effectively trapped; the five troopers had blocked the only exit, and Piell knew that his weeks on the run, with little food or rest, had left him far from peak fighting condition.
Piell deflected everything the Imperials fired at him, but he was unable to escape. Knowing it was a risky tactic which the stormtroopers might have witnessed before, he Force Jumped over the troopers and towards the exit, and his attempt was almost successful. However, one of the troopers detonated a flash grenade, leaving Piell temporarily blind, while the troopers' helmets made them immune to the grenade's effects. Piell was still able to use the Force to deflect blaster bolts and make his way toward the door, but again, the clones were one step ahead of him. One of them threw an impact sensitive grenade toward him, while another fired at it, detonating the explosive less than a meter away from Piell and injuring him severely. Piell realized that he had been outwitted, before releasing a horrified scream.
The stormtroopers never got the chance to finish off the Jedi Master, as a group of Whiplash rebels ambushed them from the other side of the exit, injuring several of them and forcing the troopers to flee. Piell recognized one of the rebels as Nick Rostu, a friend of the Jedi Order, and beckoned him to listen to his final request. Despite Rostu's comments, the Lannik Jedi knew he would die within minutes; he told Rostu about 4-TO and his mission, asking him to locate Jax Pavan—who Piell knew was still alive—and have him complete the mission. Rostu agreed, and Piell died.