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Type Debuff
Effects Move at half speed horizontally.
Tooltip Movement speed is reduced
Internal Buff ID: 32
This article is about the debuff. For the modifier/prefix, see Modifier#Common.

Slow is a debuff that halves the player's horizontal movement speed. It has a chance to be inflicted by direct contact from a Pixie, Wraith, Mummies or Rusty Armored Bones. The beams fired by Necromancers also have a chance to cause this debuff. Equipping the Fast Clock, The Plan, the Ankh Charm, or the Ankh Shield makes the player immune to the debuff.


From enemy

From Duration Chance
Pixie.png Pixie  15 / 30 Desktop Version seconds 1/8 (12.5%)
Wraith.png Wraith  15 / 30 Desktop Version seconds 1/8 (12.5%)
Mummy.png Mummy  15 / 30 Desktop Version seconds 1/8 (12.5%)
Rusty Armored Bones.png Rusty Armored Bones  5 / 10 Desktop Version seconds 2/9 (22.2%)
Necromancer.png Necromancer  5-16 / 10-32 Desktop Version seconds 1/1 (100%)
size=60px Skeletron Hand 0.5-1 Desktop Version seconds 1/2 (50%) Desktop Version
Brain of Cthulhu.png Brain of Cthulhu  8.75-17.5 Desktop Version seconds 1/8 (12.5%) Desktop Version
Creeper.png Creeper  8.75-17.5 Desktop Version seconds 1/24 (4.17%) Desktop Version


  • If the player has any boots that increase movement speed, such as the Frostspark Boots, it will take much longer to accelerate, but the player can still move at the maximum speed allowed by the boots.
  • If the player has nothing equipped that affects movement speed, they will move at the same speed even when the debuff is active.
  • If the player is afflicted by the debuff and uses the sandstorm jump via Sandstorm in a Bottle, Sandstorm in a Balloon, or the Bundle of Balloons, they will spin much faster than normal during the ascent.


  • Now has a chance to be inflicted by Expert Mode Brain of Cthulhu and Creepers,as well as Skeletron's Hands.
  • 1.2: Now inflicted by the Necromancer's beams, and Rusty Armored Bones as well.
  • 1.1: Introduced.
Status Effects: Buffs • Debuffs
Damaging Burning • Cursed Inferno • DaybrokenDesktop Version • ElectrifiedDesktop Version • Frostburn • On Fire! • Penetrated • Poisoned • ShadowflameDesktop Version • Suffocation • Venom
Combat Betsy's CurseDesktop Version • Bleeding • Broken Armor • Ichor • Mana Sickness • OiledDesktop Version • Tipsy • Water Candle • Weak • Withered ArmorDesktop Version • Withered WeaponDesktop Version
Movement Chilled • Confused • Distorted • Frozen • Mighty WindDesktop Version • OozedDesktop Version • Slow • StonedDesktop Version • WebbedDesktop Version
Abilities Blackout • Chaos State • Creative ShockDesktop Version • Cursed • Darkness • ObstructedDesktop Version • Potion Sickness • Silenced
Visual Slime • Stinky • Wet
Other Feral BiteDesktop Version • Midas • Moon BiteDesktop Version • Horrified • The Tongue
Cannot be Inflicted DazedDesktop Version