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Sergeant United Shield
  • Sergeant United Shield item sprite
  • Sergeant United Shield equipped
Stack digit 1.png
Damage80 / 60 !!Error: Invalid EICONS input! (Melee)
Knockback0 (No knockback)
Critical chance4%
Use time36 (Very slow)
Velocity20 (effective)
Tooltip'I can do this all day'
RarityRarity level: 5
Research1 required
Grants Buff
BuffStriking MomentStriking Moment
Buff tooltip400% increased damage for next melee strike
Projectile created
  • Sergeant United Shield
    Sergeant United Shield

Throwing the shield to bounce off 3 Mimics, then parrying a Unicorn's attack

The Sergeant United Shield is a Hardmode boomerang. Only one can be thrown at a time. It automatically homes in on nearby enemies and will chain its attack to 4 additional enemies, however it will not hit an enemy more than once per throw. It is rarely sold by the Traveling Merchant for 35.

Like the Brand of the Inferno, with any equipped shield (including the Sergeant United Shield when not thrown) and holding this boomerang, pressing the Open / Activate button will cause the character to brace for the next attack. When timed correctly, just before taking a hit, the enemy's attack will be parried, dealing some damage to the attacker and granting the Striking Moment buff for the next five seconds. This allows the next melee attack to deal 5× damage. Alternatively, if the shield is held in place, 20 defense is temporarily gained; this lasts until the shield is once again lowered.

Its best modifier is Demonic, as it does not have any knockback and thus cannot get modifiers that affect it, and furthermore cannot get modifiers that affect its speed, either.


  • The buff tooltip claims that damage is increased by 500% (i.e., multiplied by 6), which is incorrect.
  • Like the Brand of the Inferno, the Sergeant United Shield's damage reflection ability can only be used to deflect contact damage from enemies. Fall damage, lava damage, enemy projectiles, and traps will still harm the player.
  • It can, however, reduce damage from these sources with the 20 defense gained while pressing the ⚷ Open / Activate button.
  • Due to its high velocity and slow use time, the Sergeant United Shield will usually return to the player a few seconds before it can be thrown again.
  • Parrying in Journey Mode with Godmode enabled will do nothing.
  • Successfully parrying an attack prevents all damage to the player, grants 30 / 60 (with Cross Necklace equipped) immunity frames and applies knockback.
  • Parrying an attack deals the same damage as attacks reflected by the Thorns Effect of Turtle armor, which is twice that of a Thorns Potion.
  • The damage dealt by parrying an attack is decreased by banners (25% in Classic or lower, 50% in Expert or above), rerolled inversely by luck (having negative luck will give a chance to increase incoming damage, and thorns as a result) and capped at 1000 damage.
  • The player must be facing an enemy to parry its attack.


  • The act of gaining the attack buff and switching to a more powerful weapon like Meowmere has potential for massive damage, especially if somehow timed perfectly with the Psycho Knife's buffs.
  • This weapon will home in on the separate sections of a Wyvern, making it an excellent weapon against it.



  • Desktop 1.4.2: Fixed an issue where Sergeant United Shield was accidentally showing accessory dyes under some specific circumstances, even though it is a weapon.
  • Desktop 1.4.1:
    • Damage increased from 60 to 80.
    • Damage reduction for each target hit reduced from 30% to 20%.