Xeno Staff

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Xeno Staff
  • Xeno Staff item sprite
Auto-use
Stack digit 1.png
Statistics
Type
Damage36 (Summon)
Knockback2 (Very weak)
Mana10
Use time36 (Very slow)
Velocity10
TooltipSummons a UFO to fight for you
RarityRarity level: 8
Sell10 GC
Research1 required
Grants Buff
BuffUFOUFO(Desktop, Console and Mobile versions)
Buff tooltipThe UFO will fight for you
Projectiles created
  • UFO
    UFO
  • UFO Ray
    UFO Ray
  • Internal Item ID: 2749 (Desktop, Console and Mobile versions)
  • Internal Buff ID: 140 (Desktop, Console and Mobile versions)
  • Internal Projectile ID: 423, 433
Obtained from Obtained from
Classic Mode.png Classic
Expert Mode.png Expert
Master Mode.png Master
EntityQty.Rate
Martian Saucer(Desktop, Console and Mobile versions)Martian Saucer.gifMartian Saucer(Desktop, Console and Mobile versions)116.66%
"UFO" redirects here. For the mount, see Cosmic Car Key.
The Xeno Staff in use. Note how the UFO teleports above the Skeletons on the right.

The Xeno Staff is a Hardmode, post-Golem summon weapon that spawns a UFO minion that instantly teleports above the nearest enemy before rapidly firing thin blue lasers at its target. The UFO's lasers are fired instantaneously at a rate of once every 0.4 seconds[1] on average. If the UFO minion is more than 75 tiles away from the player, it ceases to attack enemies and returns to the player.[2] The Xeno Staff has a 1/6 (16.67%) chance of being dropped by the Martian Saucer during the Martian Madness event.

Its best modifier is Ruthless. The Mythical modifier provides the widest array of stat bonuses, but these primarily affect the initial summon rather than the resulting minion. Additionally, minions cannot deal critical hits. The only lasting advantage a Mythical Xeno Staff has over a Ruthless one is knockback.

Tips

  • Despite having lower damage than the Tempest Staff, the UFO is superior to Sharknados regarding attack speed and accuracy. However, it cannot attack in all directions like the Sharknados. This is usually a problem in tight spaces but not when in open spaces.

Trivia

  • The prefix xeno- means foreign, different in origin, and often relates to aliens.
  • Prior to the 1.3.5 update, the Xeno Staff had an extremely low sell value, making reforging it to a desired modifier very cheap.

History

  • Desktop 1.4.4.9: Increased average cooldown between attacks from 0.36 seconds to 0.4 seconds.
  • Desktop 1.4.4:
    • Increased average cooldown between attacks from 0.33 seconds to 0.36 seconds.
    • UFOs no longer need to fully return to the player before they can teleport and re-engage with a new enemy.
    • UFOs will now attempt to return to the player faster depending on how fast the player is moving.
  • Desktop 1.4.1: Increased average cooldown between attacks from 0.3 seconds to 0.33 seconds.

References

  1. Information taken from the Desktop version Desktop 1.4.4.9 source code, method AI_062() in Terraria.Projectile.cs. The UFO's ai[1] is increased by 1 each tick and then has a 2/3 chance to be increased by 1 another time. Therefore, it is increased by 5/3 on average each tick. The threshold is 40, so the average cooldown between attacks is 40/(5/3)=24 ticks
  2. Information taken from the Desktop version Desktop 1.4.4.9 source code, method AI_062() in Terraria.Projectile.cs.