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Desktop/Console/Mobile/Switch/tModLoader-Only Content: This information applies only to the Desktop, Console, Mobile, Switch, and tModLoader versions of Terraria.

The Dune Splicer is a worm-type Hardmode enemy that spawns in the Underground Desert, or on the surface of the Desert during a Sandstorm. It is the Hardmode counterpart of the pre-Hardmode Tomb Crawler.


Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
2 values: Pre-Hardmode › Hardmode
3 values: Pre-Hardmode › Hardmode › Post-Plantera
NPC ID Type Damage Defense
510 Dune Splicer (Head).png Dune Splicer Head 58/116/174 18
511 Dune Splicer (Body).png Dune Splicer Body 54/108/162 28
512 Dune Splicer (Tail).png Dune Splicer Tail 50/100/150 34


  • This enemy is noticeably larger than other worms, ranging from 12 to 21 segments long.
  • The Dune Splicer is very agile, and can turn very quickly. This can be especially dangerous due to the Dune Splicer's large hitbox.
  • In a sandstorm, this worm becomes the second fastest worm in the game, only beaten by the Phantasm Dragon.


  • Aiming for the head may help in defeating Dune Splicers quicker, as it has less defense than the body or tail.


  • Dune Splicers may be inspired by the sandworms in the Dune franchise. This further reinforced by the Bestiary entry, as a substance called the Spice is a major part of Dune.
  • It is the largest non-boss worm-type enemy in the game.
  • The BestiaryBestiary entry for the Dune Splicer: "The world's largest, most deadly worm. Strengthened by ancient magicks, it can devour a spicy Terrarian quicker than they realize."


  • Desktop 1.3.3:
    • Can now also spawn on the Desert surface during a Sandstorm.
    • Fixed being too rare.
    • Increased defense from 0, 20, and 30 to 18, 28, and 34 for the Head, Body, and Tail respectively.
    • Increased health from 400 to 500.