Crono and his gang exterminate them, making the area safe to start the development of the forest. To help speed along and ensure the health and stability of the forest, your automaton buddy ROBO volunteers to stay behind and work the land for the next couple of centuries. You say goodbye, and from that moment on, you can see him planting and tilling soil whenever you pass that area in the overworld. Since Chrono Trigger is all about time travel, you can skip ahead to the future, where you'll suddenly a grand forest where the desert used to be. Inside these woods, you'll find a shrine with a deactivated ROBO, absolutely covered in dirt, moss and vines. Lucca, the party engineer starts working on getting him back up on running, while the others rest and sleep in the forest. It's a touching and endearing sequence of events by itself, but it doesn't stop there. Once Lucca is finished with the maintenance and repairs, she uses the short moment to herself to be a little selfish and travel back in time by herself to the most pivotal moment in her life. She goes back to her childhood, where her mother gets trapped and injured by one of the many inventions that filled her family home. It is at this moment that you piece together that Lucca's mother is never seen standing up, as she got paralysed by this very moment. If you do everything correct at the right time, it is possible to change the past and save Lucca's mother's legs, but you only have this one single chance. The outcome will make some slight alterations to the endings, but whether you succeed or fail, Lucca will return to the present and bond some more with ROBO.
