Keybrand

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This is the main page whose information applies to the Desktop, Console, and Mobile versions of Terraria.
For the differences of this information on Old-gen console and 3DS, see Legacy:Keybrand.
Keybrand
  • Keybrand item sprite
Autoswing
9999
Statistics
Type
Weapon
Damage105 (Melee)
Knockback6.5 (Strong)
Critical chance20%
Use time20 (Very fast)
Velocity15.9
TooltipDeals more damage to injured foes
RarityYellow (Rarity level: 8)
Sell4 GC
Research1 required
Projectile created
  • Keybrand
    Keybrand
Sounds
Use
Obtained from Obtained from
Classic Mode.png Classic
Expert Mode.png Expert
Master Mode.png Master
EntityQty.Rate
Blue Armored BonesBlue Armored Bones.gif Blue Armored Bones10.5%1%
Hell Armored BonesHell Armored Bones.gif Hell Armored Bones10.5%1%
Rusty Armored BonesRusty Armored Bones.gif Rusty Armored Bones10.5%1%
The Keybrand attacking a group of Target Dummies, a Unicorn and a Mimic. Note the increasing damage based on the enemy's health and the ability to throw, recall and embed.

The Keybrand is a Hardmode, post-Plantera broadsword that has a 1/200 (0.5%) / 399/40,000 (0.9975%) chance of being dropped by Blue Armored Bones, Hell Armored Bones, and Rusty Armored Bones in the Hardmode Dungeon. It deals increased damage against enemies depending on their missing health, up to a maximum of 200% damage against enemies that have less than 10% health remaining. The Keybrand also has a 20% critical strike chance as opposed to the usual 4%. Letting go of ⚒ Use / Attack while swinging will throw the weapon, causing it to sharply drop down after travelling for 0.5 seconds[1], or touching any solid block, then embed itself in the ground and continuously damage any enemy that touches it. It can be recalled by pressing ⚒ Use / Attack again, which will damage enemies along the way. It can also be recalled mid-throw.

Its best modifier is Legendary.

Notes

  • The following formulas are used when determining the amount of damage that will be dealt:[2]
    • If the hit enemy has more than 10% HP remaining: [math]\displaystyle{ \mathit{damage} \times \left(1 + \frac{10}{9} \times \left(1 - \frac{\mathit{HP_{current}}}{\mathit{HP_{max}}}\right)\right) }[/math]
      • This means that for every 1% of the enemy's health missing, the damage will be increased by [math]\displaystyle{ \frac{1}{90} }[/math].
    • If the hit enemy has 10% HP or less remaining: [math]\displaystyle{ \mathit{damage} \times 2 }[/math]
  • While resting on ground, thrown Keybrand deals 60% of the weapon's damage and knockback.[3]
  • Thrown Keybrand inflicts 10 ticks[4] of local invincibility frames upon hit, meaning it can hit for up to 6 times per second.[5]
  • Only 1 throwable sword can be embedded in the ground at a time. Using a different throwable sword will cause the previously embedded sword to be recalled.
  • After being embedded, the sword will be automatically recalled after 1 minute.
  • Prior to the 1.4.5.0 update, in Don't dig up and Get fixed boi(Desktop, Console and Mobile versions) worlds, the Keybrand receives the following changes:
    • Switched place with Katana. As a result, it was sold by the Traveling Merchant for 10 GC, instead of being dropped by Hardmode Dungeon enemies.
    • Damage decreased from 105 to 15.
    • Sell value decreased from 4 GC to 2 GC.

Achievements

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

Trivia

  • The Keybrand is based on the Keyblade, a weapon used in the action role-playing game series Kingdom Hearts. It bears an especially strong resemblance to the Keyblade named the Kingdom Key, which Sora wields.
    • The Keybrand's visual effects when striking enemies are likely a reference to similar bright effects that appear when striking enemies with the Keyblade throughout the Kingdom Hearts series.
    • The ability to throw the weapon is likely a reference to the recurring "Strike Raid" ability in the Kingdom Hearts series, an attack that involves a character throwing their Keyblade at a target before it returns to their hand.
  • Until 1.3.5, items had an unused internal name. Between its introduction and 1.3.0.1, the Keybrand's name was Lockblade,[6] which may have been its original name during development. This name was never visible in-game.
  • Buying the Keybrand from the Traveling Merchant in a Remix or Zenith world also unlocks the "Robbing the Grave" achievement. This is likely an oversight.
  • The Keybrand can be considered the counterpart to the Breaker Blade, as the latter deals extra damage to near-undamaged enemies. Fittingly, both are references to swords found in franchises by Square Enix.

History

  • Desktop 1.4.5.0: Updated along with phaseblades/phasesabers. Can now be thrown by releasing the attack button mid-swing. The weapon will embed itself in the ground and will continuously damage any enemy that touches it. Can be recalled by pressing the attack button again.
  • Desktop 1.4.4:
    • Damage increased from 85 to 105.
    • Bonus critical chance increased from 17% to 20%.
    • Reduced the maximum power of the scaling damage effect.
  • Desktop 1.4.0.1:
    • Damage increased from 70 to 85.
    • Now deals up to 150% more damage based on how injured an enemy is.
  • Desktop 1.3.0.1:
    • Can now autoswing.
    • Damage increased from 55 to 70.
    • Knockback increased from 6 to 6.5.
    • Critical strike chance increased from 4% to 17%.
    • Use time decreased from 22 to 20.

References

  1. ↑ Information taken from the Desktop version Desktop 1.4.5.3 source code, method AI() in Terraria.Projectile.cs. The relevant part is the aiStyle == 3 code block. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.5.
  2. ↑ Information taken from the Desktop version Desktop 1.4.4.9 source code, method ItemCheck_MeleeHitNPCs() in Terraria.Player.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.5.
  3. ↑ Information taken from the Desktop version Desktop 1.4.5.3 source code, method Damage_PvE_Inner() in Terraria.Projectile.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.5.
  4. ↑ 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.
  5. ↑ Information taken from the Desktop version Desktop 1.4.5.3 source code, method SetDefaults() in Terraria.Projectile.cs. There may be inaccuracies, as the current Desktop version Desktop version is 1.4.5.5.
  6. ↑ Information taken from the Desktop version Desktop 1.2.4.1 source code, method SetDefaults1() in Terraria.Item.cs.
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