Terraria have a lot of neat accessories to help them scout their world, but one of the desirable ones is the Jet Boots. These boots grant the wearer with the ability to blast off into the sky with great speed. It's like having your very own personal rocket propulsion system strapped to your feet! Wearing the rocket boots permits players to access previously inaccessible altitudes, encouraging exploration easier. With these boots, Terraria becomes a true vertical adventure!

GuideCrafting Terraspark Boots Official Terraria Wiki