All rocket types have two significant defining traits: area of effect, and the ability to destroy tiles.The Celebration Mk2 is a Hardmode, post-Moon Lord launcher that is an upgraded version of the Celebration. Most launchers use Rockets as ammunition. The Rocket I variant is also dropped by Plantera when it drops the Grenade Launcher. Rockets are a Hardmode, post- Plantera type of ammunition which are mainly sold by the Cyborg.