Psycho Knife

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Psycho Knife
Stack digit 1.png
Psycho Knife inventory icon
Type Weapon
Damage 70 (Melee)
Knockback 3.5 (Weak)
Critical chance 4%
Use time 19 (Very Fast)
Tooltip Allows you to go into stealth mode
Rarity Rarity Level: 8
Sell 5 Gold Coin
Internal Item ID: 3106
Desktop Version Desktop-Only Content: This information applies only to the desktop version of Terraria.
Psycho Knife Stealth.gif
Player made invisible by the Psycho Knife.

The Psycho Knife is a Hardmode, post-Plantera melee weapon that has a 2.5% / 3.75% Desktop Version (1/40 / 3/80 Desktop Version) chance to be dropped by the Psycho during the Solar Eclipse event. When holding the Psycho Knife and standing still, the player will quickly enter stealth mode, causing them to turn almost completely transparent, move much slower, and no longer be targeted by enemies.

Stealth mode is engaged gradually over the course of about one second, during which the weapon's stats are steadily boosted up to the following values:

Stealth mode is disengaged when successfully attacking an enemy or when switching to a different weapon. Swinging the weapon alone does not cancel stealth, nor does walking or flying. Standing still again afterward re-engages it. Moving or swinging the weapon during the one-second transition period, however, will cancel stealth mode.

Its best Modifier is Legendary.

Notes[edit | edit source]

  • The stealth mode that is activated by the Psycho Knife is similar to that of the special ability of Shroomite armor.
  • Wings' vertical flight speed is not affected, but horizontal flight speed is slowed to the same rate as walking.
  • The dash from the Solar Flare armor and the Shield of Cthulhu also gain the stealth mode damage boost.
  • Other players can see a stealthed player who is using the Psycho Knife if they are missing health, as the health bar will be shown above their head.
  • Aggro-increasing accessories like the Flesh Knuckles or late game tank armor will still cause enemies to target the player, even in stealth mode.
  • All other melee weapons are affected by the increased stats from stealth mode; however, if you attempt to switch weapons the stealth will disappear.
  • Melee weapon projectile stats from any weapon will be boosted during stealth, which is useful for large amounts of enemies.
  • Using Meowmere and switching to Psycho Knife before the projectile hits will result in extreme damage to enemies hit during stealth.
  • Summoners can use the stealth mode of this weapon to hide from enemies while still using a full set of summoner-equipment to have minions deal with any enemy.
  • Enemies which fire projectiles and certain flying enemies will target through stealth.
    • Projectile firing enemies will not, however, chase the stealthed player.

Tips[edit | edit source]

  • The Anti-Gravity Hook can be used to move faster while in stealth mode, simply hook the floor while in stealth mode and jump, it will boost your movement speed significantly.

History[edit | edit source]

Weapons (List):

Terra Blade.png Melee Weapons ( Gungnir.png Other) • Pulse Bow.png Ranged Weapons ( Stynger.png Other) • Spectre Staff.png Magic Weapons  • Pygmy Staff.png Summoning weapons • Holy Water.png Thrown weapons