Bone Serpent
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Classic
Expert
Master
Classic
Expert
Master
Bone Serpent





Statistics
Type | |
---|---|
Environment | |
AI Type | Worm AI |
Max Life | 300/600/900 |
KB Resist | 100% |
Banner | ![]() |
Immune to | ![]() ![]() ![]() ![]() |
Drops
Coins | 12 SC30 SC |
---|
- Item (Quantity)Rate
Hotdog(Desktop, Console and Mobile versions)
3.33%Bone Serpent Kite(Desktop, Console and Mobile versions)(on Windy Days)
6.67%
Sounds
Hurt | |
---|---|
Killed | |
Digging |
The Bone Serpent is a pre-Hardmode worm enemy that spawns in The Underworld. Due to their large size, speed, and high damage, they can be dangerous enemies to encounter, especially if they attack while the player is exploring a Ruined House.
Segments
The Bone Serpent consists of 14–20 segments in total.



2 values: Pre-Hardmode › Hardmode
3 values: Pre-Hardmode › Hardmode › Post-Plantera
3 values: Pre-Hardmode › Hardmode › Post-Plantera
NPC ID | Type | Damage | Defense | |
---|---|---|---|---|
39 | ![]() |
Bone Serpent Head | 36/72/108 | 12 |
40 | ![]() |
Bone Serpent Body | 20/40/60 | 18 |
41 | ![]() |
Bone Serpent Tail | 16/32/48 | 18 |
Notes
- Bone Serpents are not restricted to the Underworld and can follow the player out.
Tips
- As with most worms, weapons that can hit multiple segments at once are effective. Some effective weapons are the Vilethorn, flails, and the Crimson Rod.
Trivia
- Bone Serpents are one of the few pre-Hardmode enemies that do not get stronger upon reaching Hardmode in an Expert or Master world.
- (Desktop, Console and Mobile versions) Bone Serpents can sometimes be seen leaping in the lava in the Underworld's background as ambiance.
- The
Bestiary entry for the Bone Serpent: "Mighty serpentine dragons once ruled hell, but long ago shed their obsidian scales. A skeletal husk is all that remains."
Gallery
- (Desktop, Console and Mobile versions) An ambient Bone Serpent.
History
- Desktop 1.4.4:
- Head/Body/Tail Damage increased from 30/15/10 to 36/20/16, and Head/Body Defense increased from 10/12 to 12/18, with Tail unchanged.
- Health increased from 250 to 300, and movement speed also increased.
- Now has further stat bonuses specifically on the For the worthy and Get fixed boi secret world seeds.
- Desktop 1.4.1: Bone Serpent Kite drop chance increased from 1/25 (4%) to 1/15 (6.67%).
- Desktop 1.4.0.1: Can now drop the Hotdog and the Bone Serpent Kite.
- Desktop 1.3.5: Sprite updated.
- Desktop 1.2.0.3: Can now drop its own respective banner.
- Desktop 1.1: All segments now share a life counter, instead of individual life counters for all segments. Previously Head, Body and Tail had 120, 150 and 200 health, respectively.
- Desktop 1.0.6:
- No longer drops Sunfury and Flamelash, which are found in Shadow Chests instead.
- Now has a new death sound.
- Bone Serpents' hitboxes have been recalibrated.
- Desktop-Release: Introduced.
- Console-Release: Introduced.
- Mobile-Release: Introduced.
- 3DS-Release: Introduced.