Duke Fishron

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Duke Fishron is a Hardmode Boss. He is immune to the On Fire!, Poisoned, Venom, and Frostburn debuffs. He will always drop exactly one of his five weapons at a 20% drop chance for each; the Fishron Wings, Mask and Trophy are dropped independently, however.

Quick Answers

What is the best strategy to defeat Duke Fishron in Terraria?

Defeating Duke Fishron in Terraria requires a well-thought-out strategy. First, summon Duke Fishron by fishing in the Ocean biome using the Truffle Worm as bait. During the battle, keep in mind your distance from the Ocean to prevent Duke Fishron from becoming enraged, which makes the fight more difficult. Using an Anti-Gravity Hook and continuously moving in circles can help dodge attacks and dashes from the boss. In Expert Mode, the Shield of Cthulhu can provide brief invincibility frames when dashing into him. The Inferno Potion can also be handy to prevent damage from Duke's homing bubble attacks. Building a platform along the ocean can also be beneficial. Remember, defeating Duke Fishron is optional but rewards you with powerful weapons.

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How can you summon Duke Fishron in the game?

Duke Fishron, the fish boss of Terraria, can be summoned by fishing in the Ocean using a Truffle Worm as bait. The Truffle Worm is a rare critter that you need to catch with the Bug Net, Golden Bug Net, or Lavaproof Bug Net in an underground Glowing Mushroom biome. Once the bobber bobs, reeling in the line spawns Duke Fishron. It's important to note that summoning Duke Fishron does not require that any other bosses have been defeated beforehand. He can also be summoned by fishing in lava or honey if within the Ocean biome. The player's Fishing Power is irrelevant to the summoning.

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What are the rewards for defeating Duke Fishron?

Defeating Duke Fishron in Terraria rewards the player with powerful weapons. This makes the battle against him, although optional, quite beneficial for game progression. The specific loot you receive can vary, but the potential for high-powered gear makes the challenge worthwhile.

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At what stage in the game is it recommended to fight Duke Fishron?

Duke Fishron is a Hardmode boss in Terraria and can be summoned as soon as Hardmode is initiated. However, due to his high difficulty level, it's recommended to fight him later in the game. Some players may challenge him with post-mechanical bosses gear, but most players may want to wait until post-Golem to battle him. Remember, fighting Duke Fishron is completely optional and not required for game progression.

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Is defeating Duke Fishron necessary for game progression in Terraria?

No, defeating Duke Fishron in Terraria is not necessary for game progression. However, overcoming this formidable fish boss can reward players with powerful weapons that can significantly speed up game progression. It's a challenging but optional battle that can be undertaken at any point in Hardmode, although it's often recommended to face him later in the game or after gearing up sufficiently.

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Summoning

Duke Fishron is summoned by casting a Fishing Pole into one of the two Oceans while having a Truffle Worm in the player's inventory to use as Bait. The Truffle Worm is a rare Critter that must be caught with the Bug Net in an underground Mushroom Biome.

Summoning Duke Fishron does not require that any other bosses have been defeated beforehand, but a world must be in Hardmode in order to obtain the Truffle Worm used to summon him.

Attacks

First stage

Duke Fishron lunges at the player exactly five times, traveling through all blocks, before using one of two projectile attacks:

• Detonating Bubble: Duke Fishron blows roughly 10-20 bubbles from his mouth that follow the player at moderate speed, exploding and dealing damage on contact. These bubbles can be destroyed via any attack or projectile, however they can be hard to hit.

• Sharkron: Duke Fishron waves his fins, summoning liquid blobs that fall (bypassing any platforms) until they travel 1.5x the vertical size of the screen or impact with blocks. They then spawn Sharknadoes: giant water tornadoes that each fire several Sharkrons. The Sharkrons have limited flight range, are destroyed on impact with blocks, and can be killed by the player.

After firing a Razorblade Typhoon, he lunges another 5 times, beginning the cycle again.

Second stage

When Duke Fishron falls below 25,000 health, he remains stationary for a second and his eyes glow. His damage and speed increase significantly, but his defense is reduced to 40. His lunges become faster, and are only performed three times instead of five before executing one of his projectile attacks, which are also upgraded:

• Detonating Bubbles are now fired while Duke Fishron flies in quick loops, which leave a trail of the bubbles behind.
• There is now only one "blob" that causes the tornado, but it follows the player, creating a "Cthulhunado" (upgraded version of first stage's "Sharknado") on contact. The blob itself does not cause damage, but will spawn twice as many Sharkrons as in the first stage.

Third stage (Expert Mode Only)

When Duke Fishron falls below 10% of his maximum health, the sky will be shrouded with a thick, blue fog. Everything, including Duke Fishron, becomes barely visible within the fog, but still can be located using the minimap, or his small yellow eyes. While the fog is active Duke Fishron reaches maximum speed, and begins to teleport and dash in order to hit you.

• After each dash, there is a small pause.
• He teleports in front and slightly above of the player, making running away impossible.

Tips

For more elaborate strategies on defeating Duke Fishron, including weapon and arena recommendations, see Guide:Duke Fishron strategies.

• If you get far enough away from Duke Fishron, he will despawn, like most bosses. As most strategies involve outrunning him, it is best to remember not to get too far ahead.

Trivia

• Duke Fishron was part of an April Fools joke by Terraria staff that claimed an "Aquarian Horde" event was to be included in the game. The Duke Fishron element alone ended up actually being introduced.
• His Sharknado attack is a nod to the 2013 movie Sharknado.
• Duke Fishron turns transparent when over blocks, much the same way that Pigrons do.

History

• 1.3.0.1: Now Drops Treasure Bag in Expert Mode. Contains Shrimpy Truffle. A third stage and attack type is also implemented when fighting him in Expert Mode. Now becomes enraged when leaving the ocean.

• 1.2.4.1: Now drops Greater Healing Potions instead of Lesser Healing Potions. All of Fishron’s weaponry now sells for 5 gold coins. This will fix the low prefix costs. Only one Duke Fishron can be summoned at a time. The bobber will not bob if one is already alive.

• 1.2.4: Introduced

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