Chi saw Luke had his lightsaber in his hand but didn't activate it or made any advance to him. He also listened closely to his words, seeing that they were in a Jedi Temple communication center room and use one hand Chi took a win. He pulled up the file's one read what a temple guard is and back away from it for Luke could see it what he had pulled up. along with another file that read Order 666 downfall. He waited to see what Luke's reaction will be.