Magnet Sphere

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Magnet Sphere
  • Magnet Sphere item spriteold Magnet Sphere item sprite
Stack digit 1.png
Damage48 (Magic)
Knockback6 (Average)
Critical chance4%
Use time20 (Very fast)
RarityRarity level: 8
Sell10 GC
Research1 required
Projectiles created
  • Magnet Sphere Ball
    Magnet Sphere Ball
  • Magnet Sphere Bolt
    Magnet Sphere Bolt
Obtained from Obtained from
The Magnet Sphere attacking Mimics.

The Magnet Sphere is a Hardmode, post-Plantera magic weapon that casts a glowing, slow-moving cyan sphere, which travels in a straight line, unimpeded by liquids or other non-solid obstacles in its path and (Desktop, Console and Mobile versions) can bounce off tiles. The sphere will rapidly shoot instantaneous, non-piercing beams at the closest enemy as it travels through the air, and disappears if it has been in the air for more than 15 (Desktop, Console and Mobile versions) / 11 (Old-gen console and 3DS versions) seconds or has traveled 52 tiles. If the player casts another sphere while there is already one in the air, the previous one will fade away. The Magnet Sphere has a 1/300 (0.33%) / 599/90000 (0.67%) chance of being dropped by Blue Armored Bones, Rusty Armored Bones, and Hell Armored Bones in the post-Plantera Dungeon.

Its best modifier is Ruthless. The Mythical modifier provides the widest array of stat bonuses, but the only stats that improve damage output are damage and critical chance. Switching to a different magic weapon causes existing projectiles to use that weapon's critical chance instead, meaning that the Magnet Sphere's DPS is optimized with the Ruthless modifier when used in the intended way.


  • The sphere fires projectiles at a rate equal to a use time of 9 (Very fast).
  • The sphere moves farther when it has a modifier reducing speed.
  • Like homing weapons, the Magnet Sphere's orb will not fire on other players in PvP, though the orb itself will deal damage on contact.
  • The book that the player holds out while casting can damage certain entities, including several not normally targeted by a regular weapon.
  • The Magnet Sphere's orb will fire at disguised Mimics.


Achievement Robbing the Grave.png
Robbing the Grave • Obtain a rare treasure from a difficult monster in the dungeon.
Obtain a rare item from an enemy in the post-Plantera Dungeon. (Desktop, Console and Mobile versions)
Category: Explorer Explorer


  • Desktop 1.4.4:
    • Duration increased from 11 to 15 seconds.
    • Now bounces off of walls instead of the sphere vanishing.