Rocket Boots are a useful item obtained towards the end of Phoenotopia and Phoenotopia Awakening. Gale finds them in the depths of Mul Cavern, near the ruins of what used to be a space shuttle from before the Great War. Among the scrap metal, the Rocket Boots can be donned by Gale and used for the rest of the game. They allow Gale to hover above the ground by holding the jump button while in midair, as well as allow her to move left or right while hovering. This makes the Rocket Boots really helpful for platforming and, at times, combat.
In Phoenotopia Awakening, the boots have an added functionality; near a campfire, the flames from the boots' jets can be used to ignite a fire to allow Gale to cook.