Blood Thorn

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Desktop version Console version Mobile version
Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Blood Thorn
  • Blood Thorn item sprite
Autofire
Stack digit 1.png
Statistics
Type
Weapon
Damage34 (Magic)
Knockback1 (Extremely weak)
Mana20
Critical chance4%
Use time33 (Slow)
Velocity32
TooltipSummons blood thorns from the ground
RarityRarity level: 4
Sell4 GC
Research1 required
Projectile created
  • Blood Thorn
    Blood Thorn
Sounds
Use
The Blood Thorn attacking Target Dummies. Note its wall-piercing abilities.
Obtained from Obtained from
Classic Mode.png Classic
Expert Mode.png Expert
Master Mode.png Master
EntityQty.Rate
Hemogoblin Shark(Desktop, Console and Mobile versions)Hemogoblin Shark.gif Hemogoblin Shark(Desktop, Console and Mobile versions)112.5%

The Blood Thorn is a Hardmode magic weapon that summons three penetrating Blood Thorn projectiles upon use, which erupt from solid blocks and platforms to damage enemies near the player's cursor. It has a 1/8 (12.5%) chance of being dropped by Hemogoblin Sharks.

Its best modifier is Mythical.

Notes

  • A Blood Thorn projectile can hit up to 4 targets. It applies 25 ticks[1] of local invincibility frames on hit and lingers for 0.58 seconds (35 ticks) before dissipating.[2]
    • As a result, one Blood Thorn projectile can only hit a single target twice.
  • Blood Thorn projectiles spawn from random solid blocks or platforms in a circular area around the cursor.
    • If a solid block obstructs the line of sight between the player and the cursor, then the projectiles are instead summoned from a circle around the obstruction point, facing the cursor.
    • If there are no solid, valid blocks within a circular area around the cursor (e.g. if the player is both in midair and targeting a point in midair), then they are summoned from the player's hitbox instead.
    • Blood Thorn projectiles cannot be summoned from background blocks (such as Smoke Blocks or Bubbles) or actuated blocks. They can, however, be summoned into or from liquids.
  • Three Blood Thorn projectiles are summoned per press of the ⚒ Use / Attack key, similar to the Clockwork Assault Rifle.[3]

Tips

  • The Ice Blocks summoned by the Ice Rod can serve as roots for the Blood Thorns.

History

  • Desktop 1.4.4:
    • Slightly increased the size of the thorns.
    • Thorns now last 40% longer.
    • Thorns can now sprout from platforms if they are in-range.
    • Each projectile can now hit 4 times instead of 3.
    • Fixed a bug that caused it to have unintended damage loss every time a thorn hit a target. Previously, the projectile's damage decreases by 30% each time it hits a target.

References

  1. ↑ 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.
  2. ↑ Information taken from the Desktop version Desktop 1.4.4.9 source code, methods SetDefaults() in Terraria.Projectile.cs and AI_157_SharpTears() in Terraria.Projectile.cs.
  3. ↑ Internally, this is caused by the Blood Thorn's item attributes: It has a useTime of 11 and a useAnimation of 33, which results in 3 (33/11) firings per key press. Information taken from the Desktop version Desktop 1.4.4.9 source code, method SetDefaults4() in Terraria.Item.cs.
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