The Old Duke

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Intro42 OD.png


Old DukeSulphuric Terror

OldDuke.gif
Statistics
TypeBoss
EnvironmentSulphurous Sea
Life936,000 (total)
KB resist100%
Drops
Coins

4 Platinum Coin.png

The Old Duke map.png

Map icon

The Old Duke is a post-Moon Lord boss that can be fought in the Sulphurous Sea biome. While it is optional, it is recommended to be fought before The Devourer of Gods.

Spawn

The Old Duke can be spawned by finishing the Acid Rain event after Polterghast is defeated, appearing from a giant sulphurous tornado. It can also be summoned by fishing in the Sulphurous Sea with a Bloodworm post Moon Lord, or by using a Bloodworm Platter.

Behavior


Old DukePhase One

OldDuke.gif
Statistics
Life936,000 / 936,000 (total)
KB resist100%

The Old Duke map.png

Map icon

P1 AI


Old DukePhase Two

OldDuke3.gif
Statistics
Life702,000 / 936,000 (total)
KB resist100%

The Old Duke map.png

Map icon

P2 AI


Old DukePhase Three

OldDukePhase2.gif
Statistics
Life351,000 / 936,000 (total)
KB resist100%

The Old Duke map.png

Map icon

P3 AI


Old DukePhase Four

OldDukePhase2.gif
Statistics
Life187,200 / 936,000 (total)
KB resist100%

The Old Duke map.png

Map icon

P4 AI

Aftermath

Tips

Trivia

  • The Old Duke's title card has a 1/500 (0.2%) chance to read "Speed Demon" instead of "Sulphuric Terror". The chance of this occurring is increased to 1/5 (20%) during April Fools.



Enemies and Creatures
Bosses Pre-Hardmode King Slime  •  Desert Scourge  •  Eye of Cthulhu  •  Crabulon  •  Eater of Worlds  •  Brain of Cthulhu  •  The Hive Mind  •  The Perforators  •  Queen Bee  •  Deerclops  •  Skeletron  •  The Slime God  •  Wall of Flesh
Hardmode Dreadnautilus  •  Queen Slime  •  Cryogen  •  The Twins  •  Aquatic Scourge  •  The Destroyer  •  Brimstone Elemental  •  Skeletron Prime  •  The Forgotten Shadow of Calamitas  •  Plantera  •  Leviathan and Anahita  •  Astrum Aureus  •  Golem  •  The Plaguebringer Goliath  •  Duke Fishron  •  Empress of Light  •  Ravager  •  Lunatic Cultist  •  Bereft Vassal  •  Astrum Deus  •  Moon Lord
Post-Moon Lord Profaned Guardians  •  Dragonfolly  •  Providence, the Profaned Goddess  •  Storm Weaver  •  Ceaseless Void  •  Signus, Envoy of the Devourer  •  Polterghast  •  The Old Duke  •  The Devourer of Gods  •  Yharon, Dragon of Rebirth  •  Primordial Wyrm  •  Exo Mechs  •  Supreme Witch, Calamitas
Other NPCs Minibosses Giant Clam  •  Dark Mage  •  Biome Mimics  •  Sand Elemental  •  Cloud Elemental  •  Ogre  •  Betsy  •  Eidolist  •  Colossal Squid  •  Eidolon Wyrm  •  Reaper Shark  •  Nuclear Terror
Enemies Lionfish  •  Moray Eel  •  Box Jellyfish  •  Toxic Minnow  •  Oarfish  •  Gulper Eel  •  Devil Fish  •  Bobbit Worm
Critters Depth Feeder  •  Herring
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