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Guide:Duke Fishron strategies

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  • Duke FishronFirst FormHardmode exclusive
    Duke Fishron.png
    Map Icon Duke Fishron.png
    Map Icon
    Classic mode icon.png Classic
    Expert mode icon.png Expert
    Master mode icon.png Master
    Statistics
    Type
    Environment
    AI TypeDuke Fishron AI
    Damage100/140/210 (melee)
    200280420 (melee when enraged) [1]
    80100150 (Sharknado) [2]
    100150225 (Detonating Bubble) [3]
    Max Life50000/60000/76500
    Defense50
    100 (when enraged) [1]
    KB Resist100%
    Immune toPoisonedFrostburnVenomConfusedOn Fire!Stunned
    Inflicts debuffs
    DebuffBleedingBleeding
    Debuff tooltipCannot regenerate life
    Chance33%
    Duration3–10 seconds
    DebuffFeral BiteFeral BiteDesktop, Console, and Mobile versions
    Debuff tooltipIncreased damage, Decreased life regen, Causes status effects
    Chance33%
    Duration3–10 seconds
    Drops
    Coins250000*25625000*6250 Desktop version
    10000*125000*250 Console VersionOld-gen console versionMobile version3DS version
    Duke FishronSecond Form
    Duke Fishron (Phase 2).png
    Map Icon Duke Fishron.png
    Map Icon
    Classic mode icon.png Classic
    Expert mode icon.png Expert
    Master mode icon.png Master
    Statistics
    Type
    Environment
    AI TypeDuke Fishron AI
    Damage120201302 (melee, second stage)
    n/a184277 (melee, third stage) [1]
    200280420 (melee when enraged)
    160200300 (Cthulunado) [2]
    Max Life25000/5000030000/6000038250/76500
    Defense40 (second stage)
    n/a0 (third stage) [1]
    100 (when enraged)
    KB Resist100%
    Immune toPoisonedVenomOn Fire!ConfusedFrostburnStunned
    Inflicts debuffs
    DebuffBleedingBleeding
    Debuff tooltipCannot regenerate life
    Chance33%
    Duration3–10 seconds
    DebuffFeral BiteFeral BiteDesktop, Console, and Mobile versions
    Debuff tooltipIncreased damage, Decreased life regen, Causes status effects
    Chance33%
    Duration3–10 seconds
    Drops
    Coins250000*25625000*6250 Desktop version
    10000*125000*250 Console VersionOld-gen console versionMobile version3DS version
    Sounds

    Duke Fishron Trophy.png "The mutant terror of the sea..." Duke Fishron Trophy.png

    Duke Fishron is a tough Hardmode Boss and one of the final Bosses in Old-gen console version Old-gen console and 3DS version3DS versions of Terraria. With very high movement speed, high damage and deadly sharknadoes, it is one of the most difficult bosses in the game.

    Spawn Condition[edit | edit source]

    Duke Fishron can be spawned by using a Golden Fishing RodFishing Pole with a Truffle WormTruffle Worm as Bait in the Ocean.

    It must then be fought within the Ocean or else it will be enraged.

    The Fight[edit | edit source]

    Duke Fishron has two phases normally, and a third phase in Expert ModeDesktop, Console, and Mobile versions and Master ModeDesktop version.

    First Phase[edit | edit source]

    Duke Fishron will attack in three different ways during the first phase. The first thing Fishron will do is begin his charging flurry. He will charge towards the player exactly five times, with a short pause between each charge.

    After each charge, he will execute one of the two Projectile attacks:

    • The first attack fires around 20 Detonating BubbleDetonating Bubbles;
    • The second attack will create two small Bubbles on either side of where he is located that will each generate a Sharknado. The Sharknadoes are not only tall and do damage, but they also fire SharkronSharkrons towards the player.

    Second Phase[edit | edit source]

    When Duke Fishron falls below 25,000 health, he will stay stationary for a second, then his eyes will glow as he enters his second stage. His damage and speed increase significantly. However, his defense drops to 40.

    His charge flurry only has 3 charges, but they are a bit faster than before. He still has two kinds of projectile attacks, but their patterns change:

    • The Detonating Bubble attack now causes him to move around in a circle, dropping the bubbles in a circle around his original location. This spreads out the bubbles, making it more difficult to hit them all.
    • His Sharknado attack upgrades to summon a Cthulhunado. He will fire a special bubble that homes at you and is quite fast(usually unavoidable), but dealing no damage. When it hits you, it will spawn a Cthulhunado, a very tall tornado that does lots of damage and fires large quantities of Sharkrons. It also lasts much longer.

    Note that, after the battle is over, care should still be taken. If he has launched a Cthulhunado, it may still fire Sharkrons. He may also have died in the Cthulhunado, so don't charge into it to collect his drops until it dissipates.

    Duke Fishron's charging attack is his primary attack, and one of the most difficult to dodge when without proper mobility accessories.

    The key to dodging it is to try to move perpendicularly to where he is aimed, right before he makes his charge. For example, if you are horizontal with him when he is about to charge, you need to quickly up (or down, if you're already flying). If he is right above/below you, then you need to quickly move left or right.

    One important element of the Sharknado attack is that they will spawn in the location where Duke Fishron was when he fired the attack. And they will despawn almost exactly when he is ready to drop another pair of Sharknadoes.

    As long as the player keeps in mind what attack Duke Fishron will do next, the player can put him in a position that makes it hard for the player to hit the Sharknadoes themselves. For example, during the charging flurry before the Sharknado attack, the player can move towards the edge of the screen, horizontally. That way, the player can run the other way knowing that they will not encounter Sharkrons from that direction. This also means that attacks towards Duke Fishron will also be towards the direction of incoming Sharkrons.

    Also, note that Duke Fishron's first attack will always be bubbles.

    Sharknadoes are quite tall; getting over them will require fast Frozen WingsWings, Cosmic Car KeyCosmic Car KeyDesktop, Console, and Mobile versions or The Black SpotThe Black SpotDesktop version

    The upgraded Sharknado attack is a bit more difficult to deal with. It's taller, and it does more damage than the original, plus it fires more Sharkrons.

    However, there is one thing that makes it a bit easier to deal with: the Cthulhunado will spawn in the location where you were when the bubble hit you. This gives you a bit more control over where the tornado spawns, so you have more of a chance (if you are fast) to make sure it doesn't spawn in an inconvenient place. You likely do not have the speed to outrun the attack, but you can help get it out of the way.

    The downside of course is that, once the bubble hits you, you need to quickly move, lest it spawn on top of you. Do not allow the bubble to hit you while you are moving upwards straight or on the ground, or you are likely to take damage from it and possibly stunlocked immediately.

    Another important factor to note is that you should attempt to avoid a Cthulhunado by any means necessary. They deal about 100 damage, which will turn the fight in Duke Fishron's favor. Always use Wings to fly over them. Alternatively, use the Rod of Discord to teleport to the other side.

    Expert Mode[edit | edit source]

    Duke Fishron’s Phase 2 lunges are delayed by a second, requiring that you time your dodges a bit later than usual to avoid them.

    When Duke Fishron drops below 9000 health, he will transform again and the background will notably darken, while making himself invisible except for his glowing eyes.

    He will only be able to use his charge attacks in this stage, but he will gain the ability to teleport behind the player before attacking. The charges will come in a set pattern: After teleporting, he will successively charge once, then twice, and finally three times before the pattern resets.

    While his contact damage is reduced, the high speed of his charges can cause you to get hit many times in a quick succession. Pay attention to his attack pattern, and make sure to not stand still during the fight. You should also try to get away from any Cthulhunadoes left from the second stage.

    Due to the frequency of his teleportation, you may prefer homing or high velocity weapons during this stage.

    A possible strategy for this form is placing a teleporter with a pressure plate on top at surface level, and an actuated teleporter on a platform 200 blocks above, which you can use to fall endlessly, and giving Fishron a hard time hitting you.

    General Strategies[edit | edit source]

    General Tips[edit | edit source]

    This content is transcluded from Guide:Practical Tips § Combat.

    Terrain Preparation[edit | edit source]

    The arena must be located in the Ocean, unless you're very confident that you can beat an enraged Fishron, which is usually not recommended.

    • Make an arena with 3 - 5 rows of Platforms, each about 50 tiles apart due to the height of the Cthulhunadoes. The arena should span at least the width of the Ocean. Asphalt BlockAsphalt Blocks can be useful to outrun Duke Fishron's attacks, but since the player cannot travel through them, they can severely limit vertical movement and thus should only be used on the bottom row.
    • The arena must be very tall: the tornadoes are very tall, and require a significant amount of flight time to fly over.

    Gearing up[edit | edit source]

    It's highly recommended to defeat GolemGolem first if you haven't already, as these tips will take that into account. If you have no idea how to reach Golem, check this Walkthrough section.

    By this point, you should have 500 Health. If not, it's recommended you use as many Life FruitLife Fruits as possible. You need to beat at least one of the Mechanical Bosses in order to spawn Life Fruits.

    Armor[edit | edit source]

    Weapons[edit | edit source]

    For Melee users:

    For Ranged users:

    For Magic users:

    • The RazorpineRazorpine is very strong due to its excellent DPS, although it requires you to get closer than with other weapons.
    • The NightglowNightglowDesktop version is also very strong because of its homing ability and high DPS.
    • The Golden ShowerGolden Shower spell is helpful as it reduces his defense.
    • Betsy's Wrath is a higher DPS alternative to the Golden Shower that also lowers his defense more, at the cost of having to get a bit closer.
    • The Inferno ForkInferno Fork does a lot of damage and is also a good choice.
    • The Blizzard StaffBlizzard Staff is very good for attacking while he is stationary.
    • The Laser MachinegunLaser MachinegunDesktop, Console, and Mobile versions can be used if the player has already defeated the Martian Madness.
    • The Magnet SphereMagnet Sphere can deal a lot of damage and only needs to be cast once in a while.
    • The Heat RayHeat Ray is also a viable option.
    • The Spectre StaffSpectre Staff is effective due to its homing nature allowing one to focus on dodging, especially during the third and final phase in Expert/Master Mode.
    • The Spirit FlameSpirit FlameDesktop and Console versions, Rainbow RodRainbow Rod, and Venom StaffVenom StaffDesktop, Console, Old-gen console, and Mobile versions are the best pre-Plantera magic weapons against this boss.

    For Summoners:

    • The Xeno StaffXeno StaffDesktop, Console, and Mobile versions is the best choice available. The Deadly Sphere StaffDeadly Sphere StaffDesktop, Console, and Mobile versions is a weaker alternative.
    • All whips at this stage of the game deal less damage per second than weapons from other classes, even when wearing summoning equipment. They also have relatively short range, making them risky to use against Duke Fishron. The best options are the Morning StarMorning StarDesktop version and DurendalDurendalDesktop version, which should only be used for their tag damage buffs, not as main weapons.

    Accessories[edit | edit source]

    • WingsWings are a must-have for the fight. The Frog LegFrog Leg can make them significantly faster, making it easier to get over the Cthulhunadoes and dodging his attacks while flying.
      • Alternatively, one can obtain the Jetpack. The high vertical speed makes it an ideal choice for dodging Duke Fishron without the need of the Frog Leg, though having the Frog Leg can make it even more effective at dodging Cthulhunadoes. Desktop version Desktop users can also use the Empress WingsEmpress WingsDesktop version.
      • Desktop version Desktop users have access to the Amphibian BootsAmphibian BootsDesktop version, which allows for increased ascent speed with Wings and fast running, even on normal tiles. On other platforms, Lightning BootsLightning Boots or Frostspark BootsFrostspark Boots can still give the increased movement speed.
    • The Master Ninja GearMaster Ninja Gear, Shield of CthulhuShield of CthulhuDesktop, Console, and Mobile versions, or TabiTabi are incredibly useful for dodging its attacks with their dashing capabilities.
    • Accessories that increase damage are a must have for ending the battle sooner. The best choices include the Celestial ShellCelestial ShellDesktop, Console, and Mobile versions or Celestial StoneStone, Destroyer EmblemDestroyer Emblem, Mechanical GloveMechanical Glove, and Sniper ScopeSniper Scope.
    • Cross NecklaceCross Necklace or Star VeilStar Veil is recommended as the boss speed might cause several heavy hits on characters should the boss catch the player. The Sharknados may also flank the player hitting them consecutively especially on Duke Fishron's second phase.
    • Characters with Spectre Armor should consider using Magic CuffsMagic Cuffs or Celestial CuffsCelestial CuffsDesktop, Console, Old-gen console, and Mobile versions, as the damage dealt by Duke Fishron's attacks will often times completely restore their MP, allowing them to attack constantly while restoring HP. Care should be taken as the boss' high attack can make quick work of reckless players.
    • If you are using The Eye of CthulhuThe Eye of CthulhuDesktop, Console, and Mobile versions or another yoyo, use a Yoyo BagYoyo BagDesktop, Console, and Mobile versions.
    • Charm of MythsCharm of Myths will both allow for increased regen and reduced time for the Potion SicknessPotion Sickness debuff. The Philosopher's Stone effect can be used without the need of investing an accessory slot by keeping it on a vanity slot until needing to heal.
    • The Cosmic Car KeyCosmic Car KeyDesktop, Console, and Mobile versions mount is a good replacement for Wings and can be better as it provides infinite air time. Unlike Wings, however, it's much slower and can't be used with a dash.
    • An Ankh ShieldAnkh Shield will protect from the BleedingBleeding debuff and those caused by Feral BiteFeral BiteDesktop, Console, and Mobile versions, and will also provide knockback resistance.
    • The Superheated BloodSuperheated BloodDesktop version mount can be used in this fight due to its high mobility through water without having to use asphalt blocks.
    • Gelatinous PillionGelatinous PillionDesktop version and Slimy SaddleSlimy SaddleDesktop, Console, Old-gen console, and Mobile versions could help you to move fast vertically, which could be extremely useful during the 3rd phase of Duke Fishron.

    Potions and Buffs[edit | edit source]

    As with any other Hardmode boss, it would be useful to prepare the following potions:

    More In-Depth Strategies[edit | edit source]

    Minecart Strategy[edit | edit source]

    This strategy differs from others in that it doesn't use a skybridge, replacing it with looped minecart track above the ocean, so the player won't have to deal with his enraged behavior. It does, however, need some more work than other ones, especially when building the arena.

    Materials[edit | edit source]

    • 600-1200 normal minecart tracks for building loop + 2 booster tracks
    • Any kind of hammer

    Arena Preparation[edit | edit source]

    The essence is to make looped minecart track approx. 60 tiles above Ocean itself. It should consist of at least 600 tiles; while shape is pretty loose, it should have at least two places in which player drastically changes altitude, as well as at least 100 tiles long flats.

    One should also make a "Starter" - a short molo with boosters, from which player will summon Duke Fishron and quickly escape to the loop.

    It should be noted also that arena shouldn't exceed Ocean biome.

    Execution[edit | edit source]

    When everything's done, player should sit in a minecart on "Starter" and summon the Fishron. As soon as it's done, one should quickly go to loop (boosters will help). At this point, everything that remains is to shoot Fishron while maintaining speed on track, healing a/o replenishing mana when needed. Some tips:

    • Use a homing weapon, especially if your arena is pretty large. Fishron will spend most time off-screen, and high speed will often change directions you're facing.
    • Though stock minecart shouldn't be used, Mechanical Cart is not a good choice. Even though with it provides defense bonus, as well as speed to avoid Fishron's charges, it can easily outrun him causing Fishron to despawn, which is possible on larger arenas. Higher speed means also that you will more often run into Sharknados.
    • Try to make arena consisting of approx. 800 tiles, but don't make it horizontally-long. If you do so, Fishron will frequently run into you, and Cthulunados in his second stage will quickly kill you as there won't be any way to dodge them.

    Abuse of Invincibility Frames[edit | edit source]

    Console VersionMobile version Standing in Lava with an Obsidian Rose and a Cross Necklace equipped will give the player invincibility frames for almost all of the fight while taking extremely little damage from the Lava due to the Rose's effects. 3DS version this can also be done standing on a Spike.

    Enraged Anti-Gravity Hook Strategy[edit | edit source]

    When Enraged, Duke Fishron is much faster and does much more damage. But with this stategy, this strength can be turned into a weakness. What you must do is get an Anti-Gravity Hook and place one or more platforms in the air. After Duke Fishron becomes enraged, you use your Anti-Gravity Hook in the platform and start using it to spin in a circle. This makes it possible to dodge all attacks. Keep in mind that this strategy only works with enraged Duke Fishron, because in his enraged behavior he will do nothing but attempt to ram you. Then you use the hook on the platform, start spinning and dodge his charges.

    Giant Ocean strategy[edit | edit source]

    Creating a massive ocean as wide as the world size allows, tall enough that you're only about 20 tiles under the height where harpies start spawning, and filling it with water will create a massive arena to fight in using the cute fishron, or lava shark mounts, allowing unprecedented mobility, freeing up accessory slots we can fill with damage. Drinking the standard damage buff potions, swiftness, and class specific buffs like ammo reservation or magic power. The hunter potion is quite invaluable using this strategy because the hunter potion allows the player to see the boss at all times. Setting up some underwater lighting like coral torches or living fire blocks is also recommended otherwise the sharknados are going to be nigh-impossible to see. For experienced players, this is a surprisingly safe and effective way to fight the Duke, even in master mode.

    Use the gills potion or neptune's shell so you dont drown. Stopping for air is not the best idea against a boss as quick and agile as Duke Fishron.


    The Black Spot[edit | edit source]

    In Master Mode is possible to defeat Duke Fishron with The Black SpotThe Black SpotDesktop version right after you get Hallowed armorHallowed armor.

    Things to keep in mind:

    • all the general tips for items (potions, reforges, etc)
    • arena (campfire, star in a bottle, heart lantern, etc)
    • be careful to not to go too far out of the ocean

    Additional tips:

    • since you already have ability to fly you get at least one free slot in accessories where you got your wings. Also if you have any boots you don't need them either. Good candidates for replacement are:
    • Duke has a lot of defence, so use Ichor to lower it, also Duke is not immune to Cursed Flames so take advantage of it

    So fight itself is pretty easy, just circle around on your pirate boat.

    The only dangerous thing is the last stage (on master):

    1. Just ignore it and keep circle around in hope that Duke won't hurt you, with hallowed armor it should be easy to avoid as much attacks as possible and with best case scenario you can end up a battle without damage
    2. You will need dash ability ( Master Ninja GearMaster Ninja Gear, Shield of CthulhuShield of CthulhuDesktop, Console, and Mobile versions, when Duke appears, get off the boat and dash out of his attack line then get back on the boat
    3. Using Gravitation PotionGravitation Potion you can manage have faster vertical speed to avoid his attacks
    1. 1.0 1.1 1.2 1.3 Information taken from the Desktop version Desktop 1.4.0.5 source code, method AI_069_DukeFishron() in Terraria.NPC.cs
    2. 2.0 2.1 Information taken from the Desktop version Desktop 1.4.0.5 source code, method Kill() in Terraria.Projectile.cs
    3. See Detonating Bubble.