Rainbow Crystal Staff

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Rainbow Crystal Staff
  • Rainbow Crystal Staff item sprite
Stack digit 1.png
Damage130 (Summon)
Knockback7.5 (Very strong)
Use time30 (Average)
TooltipSummons a sentry
Summons a radiant crystal that banishes your enemies
'The colors, Duke, the colors!'
RarityRarity level: 10
Research1 required
Projectiles created
  • Rainbow Crystal
    Rainbow Crystal
  • Rainbow Explosion
    Rainbow Explosion
Obtained from Obtained from Obtained from
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
Moon LordMoon Lord's Head.gifMoon Lord122.2%
Treasure Bag
(Moon Lord)
Treasure Bag (Moon Lord)Treasure Bag
(Moon Lord)
The Rainbow Crystal damaging several Skeletons.

The Rainbow Crystal Staff is a Hardmode, post-Moon Lord sentry summon weapon. It can summon the Rainbow Crystal sentry, which lasts for 10 minutes, remains stationary, and does not count against the player's minion capacity. The Rainbow Crystal Staff has a 22.22*2/9 (22.22%) chance to be dropped by the Moon Lord.

The Rainbow Crystal Staff summons a temporary crystal that deals high damage to enemies within its 60-tile range. Unlike other sentry summons, the crystal floats in midair at the cursor position when summoned, rather than falling to the ground. Attacks are animated as a spread of colored light beams targeting the closest enemy. The beams themselves do not do damage; damage is dealt only by delayed explosions at the end of the beams.

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 Rainbow Crystal Staff has over a Ruthless one is knockback.


  • The crystal may sporadically attack through blocks, though this does not occur often.
  • The light beams from the crystal will detect enemies that have not appeared on-screen yet. This is useful for detecting which direction new enemies will appear from.
  • Pressing Open / Activate while aiming at an enemy will focus fire on that enemy until killed or the target has been switched.
  • As with all sentry summons, summoning another sentry will cause the crystal to disappear unless the player has an accessory to increase the limit.


  • This weapon has massive range and can target enemies far off-screen, though it prefers to aim at closer targets. As such, it is recommended to place this sentry high in the air to provide it with the widest view; its accuracy will not improve if it is close to its target.
  • Because it does an immense amount of damage upon contact with players in PvP and can be placed in midair, most regulated PvP servers ban the use of this weapon.


  • The quote in its tooltip, 'The colors, Duke, the colors!', is a reference to a popsicle commercial.
  • The Rainbow Crystal Staff has the highest base damage of all sentry summon weapons.
  • When summoned through mods or 3rd-party software, its projectile's color is red.


  • Desktop
    • Damage decreased from 150 to 80.
    • Fixed accuracy issues, improved the speed at which sparkles explode.