Royal Gel

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Desktop/Console/Mobile-Only Content: This information applies only to the Desktop, Console, and Mobile versions of Terraria.
Expert mode icon.png
Expert Mode-Only Content: This information applies only to Expert Mode and Expert Mode worlds.
Royal Gel
  • Royal Gel item sprite
Stack digit 1.png
TooltipSlimes become friendly
RarityRarity level: Rainbow
Research1 required
Obtained from Obtained from
Expert mode icon.png Expert
Master mode icon.png Master
Treasure Bag
(King Slime)
Treasure Bag (King Slime)Treasure Bag
(King Slime)

Royal Gel is an accessory obtained from the Treasure Bag dropped by King Slime in Expert Mode. While equipped, most slimes will become friendly, no longer pursuing the player, and will deal no contact damage or fire projectiles, even if the player deals damage to them.

This does not apply to the following slimes:



  • This accessory is particularly valuable during Slime Rain, as it allows the player to kill almost all enemies without worrying about taking damage.
  • This accessory can keep Lava Slimes away while building a bridge for the Wall of Flesh, especially useful since they spread lava on death. In Hardmode, they can prevent Gastropods from shooting the player with lasers, making it much easier to fish or farm enemies in The Hallow at night.
  • This accessory can be a very useful tool in the Underground Jungle early on, as it prevents Spiked Jungle Slimes from shooting their thorns at the player.


  • The Royal Gel's name may be inspired by royal jelly, a food substance that bee workers feed to bee larvae to change how they grow, specifically so the larvae can become a queen bee.