The Shape of Perception Book 6: The Naboo Chronicles

"Every immediate thought in Tycho's brain wanted to rip all the rocks out of the entrance himself. But all the rational parts of his brain realized they'd never be able to move them all, even if the mountain wasn't still raining more down on them. It wasn't safe. And Luke always did everything he could to keep them safe." Characters: Luke, Wedge, Tycho, Wes, Hobbie, the Naboo