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Desktop versionConsole versionMobile version Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
EnvironmentLunar Events
AI TypeFighter AI
Damage90 / 180
Max Life800 / 1600
KB Resist60% / 64%
Immune toConfused
BannerSelenian BannerSelenian BannerDesktop VersionConsole VersionMobile Version

The Selenian is a Hardmode, post-Lunatic Cultist enemy that is spawned by the Solar Pillar during the Lunar Events. It is a ground-based enemy that wields two flaming swords. It can curl up and fly towards the player at high speed. When it does so, it will reflect certain player-fired projectiles. This is very dangerous as some weapons like the Sniper Rifle and Meowmere can potentially deal over 300 damage to the player.

It can reflect bullets, arrows and darts, but not rockets. It additionally reflects the following:


  • Selenians take triple damage (after having calculated defense) when spinning.
  • Reflected Chlorophyte Bullets will target the player. Due to this, they are inadvisable to be used versus the Solar Pillar.
  • Vampire Knives can be reflected, but if they hit the player they lose their "lifesteal" effect and the Selenian will not regain health.


  • Melee users should not have too much trouble with this enemy provided they use a weapon that does not fire a projectile. Ranged users should use weapons that fire rockets, such as the Rocket Launcher or Grenade Launcher. Minions that use melee attacks are good choices for mages and summoners.


  • The word "selenian" means "pertaining to the moon" and refers to Selene, the Greek goddess of the moon and sister of the sun-god Helios.