Mana Orb

The mana orb is an unidentified "purple round ball",it is unknown if it is planned,or just an error,the name,mana orb,must mean that it could regain alot of mana,or be like mana crystals,and give more mana,it is found in the "images" folder in the "content" folder,inside the main terraria folder,it has been discovered in accident while trying to change the texture of terraria