Charged Blaster Cannon

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Charged Blaster Cannon
  • Charged Blaster Cannon item sprite
Stack digit 1.png
Damage100 (Magic)
Knockback2 (Very weak)
Critical chance4%
Use time20 (Very fast)
Velocity28 (effective)
RarityRarity level: 8
Sell10 GC
Research1 required
Projectiles created
  • Charged Blaster Orb
    Charged Blaster Orb
  • Charged Blaster Cannon
    Charged Blaster Cannon
  • Charged Blaster Laser
    Charged Blaster Laser
Obtained from Obtained from
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
Brain ScramblerBrain Scrambler.pngBrain Scrambler10.13%
Gray GruntGray Grunt.pngGray Grunt10.13%
Martian EngineerMartian Engineer.pngMartian Engineer10.13%
Martian OfficerMartian Officer.pngMartian Officer10.13%
Martian WalkerMartian Walker.pngMartian Walker10.13%
Ray Gunner(Desktop, Console and Mobile versions)Ray Gunner.pngRay Gunner(Desktop, Console and Mobile versions)10.13%
The Charged Blaster Cannon fired at a group of Target Dummies.

The Charged Blaster Cannon is a Hardmode, post-Golem magic weapon that possesses multiple firing modes with escalating speed, damage, and method of attack depending on how long the Use / Attack key is held while firing it.[1]

  • A single tap of the Use / Attack key fires a small energy orb that dissipates after hitting an enemy or solid block.
  • Holding Use / Attack rapidly fires small orbs at a rate of six orbs per second. Mana is only consumed upon firing the first small orb.
  • After holding Use / Attack for one second (i.e., after 6 small orbs have been fired), it will shoot a larger orb with infinite piercing and 2.5× the weapon's base damage (250 base damage).
  • Continuing to hold Use / Attack fires larger orbs at a rate of 2 orbs per second. Mana is only consumed upon firing the first large orb.
  • Holding Use / Attack for two more seconds (i.e., after 3 large orbs have been fired) and holding the key down continuously fires a large, solid blue energy beam that travels for a maximum of 300 tiles, deals 1.5× the weapon's base damage (150 damage), and infinitely pierces enemies at a rate of every 20 ticks[2] or three times per second. Mana is consumed at the same rate, i.e. 42 base mana per second.

The attack is immediately canceled when mana is depleted, the Use / Attack key is released, or after the beam is fired for five seconds. The Charged Blaster Cannon has a 1/800 (0.13%) chance to drop from all basic enemies during the Martian Madness event.

Its best modifier is Mythical.


  • Due to the high damage output and infinite piercing of the charged laser, the Charged Blaster Cannon is extremely useful for horizontal crowd control or against segmented bosses such as The Destroyer.
  • The fully charged laser is comparable to the Last Prism's fully converged beam, but it deals 87.5% less damage: The Last Prism's beam deals 300 base damage 12 times per second (3600 base damage each second), whereas the Charged Blaster Cannon's beam deals 150 base damage 3 times per second (450 base damage each second).
  • Due to how the Charged Blaster Cannon only consumes mana on the first shot of each of the orb bursts but consumes mana on each damage tick of channeling the laser, the player may wish to only charge the weapon up to the point of it firing the third large orb and stop charging the weapon before it fires the laser if they wish to use mana as resourcefully as possible.
    • This allows them to fire 6 of the small orbs and 3 of the large ones at the cost of only twice the weapon's mana cost (28 base mana).
    • Channeling the laser will, however, in most cases reward higher DPS compared to only shooting the orbs and then restarting the attack cycle repeatedly.


  • The Charged Blaster Cannon is a nod to the video game character Mega Man, who uses a similarly shaped cannon called the Mega Buster. The Mega Buster can be similarly charged before firing, and the Charged Blaster Cannon's appearance as part of the player's arm when selected mimics the fact that Mega Man's robotic body has the gun built into his arm, along with the weapon's circular appearance.
  • The Charged Blaster Cannon has the smallest sprite of any weapon in the game.


  • Desktop 1.4.1: The player can now adjust the firing angle of the continuous laser beam.
  • Desktop
    • Increased the damage output of the weapon as follows:
      • A single tap of Use / Attack still fires a small non-piercing orb. It now deals 100 instead of 50 base damage. Holding the key now fires more of these orbs.
      • Releasing Use / Attack after holding it for one second still fires a large orb with infinite piercing. It now deals 250 instead of 100 base damage. Continuing to hold the key now fires more of these orbs.
      • Holding Use / Attack for three seconds or more still fires the laser beam; this remains unchanged.
      • The fire rate of quick-firing the small orbs without charging is now much higher.
    • The mana cost of charging is unchanged; however, quick firing will naturally consume more mana as the fire rate has increased significantly.
    • No longer has a 1/9 (11.11%) chance of dropping from the Martian Saucer. Now instead has a 1/800 (0.13%) chance of dropping from common Martian Madness enemies.


  1. Information taken from the Desktop version Desktop source code, methods AI() in Terraria.Projectile.cs and AI_075() in Terraria.Projectile.cs. There may be inaccuracies, as the current Desktop version Desktop version is
  2. A tick is a time unit countable by the software. Most of Terraria's updating logic happens every tick. A tick has the length of 1/60th of a second, hence there are 60 ticks in a second and 3600 ticks in a minute.