Heat Ray

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Heat Ray
  • Heat Ray item spriteold Heat Ray item sprite
  • Heat Ray equipped
Stack digit 1.png
Damage90 (Desktop, Console and Mobile versions) / 55 (Old-gen console and 3DS versions) (Magic)
Knockback3 (Very weak)
Critical chance4%
Use time10 (Very fast) (Desktop, Console and Mobile versions) /
16 (Very fast) (Old-gen console and 3DS versions)
Velocity1,515 (effective)
TooltipShoots a scorching ray of heat
RarityRarity level: 7
Sell7 GC
Research1 required
Projectile created
  • Heat Ray
    Heat Ray
Obtained from Obtained from Obtained from
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
GolemGolemGolem114.29% (Desktop, Console and Mobile versions)
12.5% (Old-gen console and 3DS versions)
Treasure Bag(Desktop, Console and Mobile versions)
Treasure Bag (Golem)Treasure Bag
(Desktop, Console and Mobile versions)
(Desktop, Console and Mobile versions) The Heat Ray attacking a Target Dummy.
(Old-gen console and 3DS versions) Animation of the Heat Ray.

The Heat Ray is a Hardmode, post-Golem magic weapon that auto-fires yellow laser beams that instantaneously travel to its maximum distance and strike its chosen target. On the Desktop version Desktop version, Console version Console version, and Mobile version Mobile version, the Heat Ray's laser beams do not pierce enemies, whereas on the Old-gen console version Old-gen console version and Nintendo 3DSNintendo 3DS version version, the beams can pierce an infinite number of enemies. The Heat Ray has a (Desktop, Console and Mobile versions) 1/7 (14.29%) / (Old-gen console and 3DS versions) 1/8 (12.5%) chance of being dropped by Golem.

Its best modifier is Mythical.


  • While the player is holding the Heat Ray, a tank outfitted with a Lihzahrd Brick-themed base and a glass container (that appears to be filled with solar heat energy) appears on the player's back. The Leaf Blower, Elf Melter, Clentaminator, and Terraformer(Desktop, Console and Mobile versions) also have this feature.
    • (Old-gen console and 3DS versions) The fuel tanks override the display of wings when not in flight. However, the display of the Hoverboard overrides the tanks.
  • (Old-gen console and 3DS versions) The Heat Ray can be considered a direct upgrade to the Laser Rifle, as it has better damage, piercing, and precision.


  • The instantaneous speed and perfect accuracy of the Heat Ray's beam makes it particularly effective for dealing with fast, distant, or flying enemies.
  • (Desktop, Console and Mobile versions) The Heat Ray excels at outputting high damage to single targets, and, despite its lack of homing abilities, is a great weapon for dynamic and fast-moving bosses such as the Empress of Light.
    • While its quick fire rate also makes it a viable weapon for crowd control, the Staff of Earth (another Golem drop) is better suited for such a purpose.


  • This weapon and its tooltip are references to the 1898 science fiction novel The War of the Worlds by English author H. G. Wells. In the novel, Martians primarily use "Heat-Rays", powerful instantaneous beam cannons that are mounted onto fighting machines, tripodal all-terrain walkers that serve as their primary weapons of warfare. Both in the novel and in later stage and film adaptations of The War of the Worlds, Martians holler "Aloo!" or "Oola!" as a form of battle cry.
  • Even when the player is out of mana, the tank on the back of the player appears to still be full.


  • Desktop
    • Damage increased from 55 to 80.
    • Use time decreased from 16 to 10.
    • Can no longer pierce and hit multiple enemies.
    • Item and tank sprites updated. Old sprites were Heat Ray (old).png Heat Ray (equipped) (old).png
    • Drop rate increased from 1/8 (12.5%) to 1/7 (14.29%), due to the Picksaw now dropping separately.