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Fishman Lord

The Fishman Lord is the boss of the Underwater City in the First Sea: a Level 425 sword user with two forms. King Neptune gives his quest. When his health runs low he switches to a second form that hits harder, moves faster and heals when he transforms, so plan for two health bars of 9,000. Every kill pays Beli, EXP and Bounty or Honor, and sometimes drops a Trident sword or a Fish Tail. Sometimes the hourly Awakened Boss event picks him (one of ten bosses); then you take the black pearl from the clam that holds it to start the fight.

Fishman Lord

Fishman Lord
Type
Boss
SeaFirst Sea
LocationUnderwater City
Level425
HP18,000 (9,000 per phase)
Respawn8 minutes
WeaponSword
Uses AuraNo

Where do you find the Fishman Lord?

The Fishman Lord waits at the throne inside the palace of the Underwater City and respawns 8 minutes after you kill him. The island is in the First Sea between Frozen Village and Prison. To get in, jump into the whirlpool that three large rocks surround. The island is small, so it is easy to miss.

The Underwater City island, home of the Fishman Lord in Blox Fruits

The Underwater City from the outside.

How do you start the Fishman Lord quest?

King Neptune gives it. He stands by the corals, off to the Fishman Warriors' right. You need Level 425, and the reward is 15,000 Beli and 4,250,000 EXP, the biggest payout of his three quests. The other two (8 Fishman Warriors at Level 375 and 7 Fishman Commandos at Level 400) lead up to this one.

King Neptune, the quest giver for the Fishman Lord in Blox Fruits

King Neptune, who gives the Fishman Lord quest.

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What does the Fishman Lord drop?

A kill always pays Beli, EXP and Bounty or Honor (see Bounty and Honor). The items are the rare part. The Trident is a Rare sword that suits late First Sea and early Second Sea grinding. Fish Tails are a material: 99 of them cover everything that needs them, and Godhuman alone takes 20.

Fishman Lord drops

Drop
Beli
How much

1,200 or more on every kill.

Drop
EXP
How much

55,000 to 60,000 on every kill.

Drop
Bounty or Honor
How much

10,625 on every kill.

Drop
Trident sword
How much

About a 10% chance.

Drop
Fish Tail
How much

A low chance.

Trident sword dropped by the Fishman Lord in Blox Fruits

Trident sword.

Fish Tail material dropped by the Fishman Lord in Blox Fruits

Fish Tail.

How does the Fishman Lord's second form work?

The fight has two forms with 9,000 HP each, 18,000 in total. When the first bar runs low he changes form, his damage and speed go up, and he heals back some health. Enough burst damage ends the fight before the change; if yours is lower, keep some moves back for the second bar.

Fishman Lord forms

Form
First form
You will see

Black hair.

What changes

The first health bar, at normal damage and speed.

Form
Second form
You will see

White hair and an angry face.

What changes

A second health bar, more damage, faster movement, and a one-time heal when it starts.

Fishman Lord first form in Blox Fruits: black hair and a green beret

First form.

What attacks does the Fishman Lord use, and how do you dodge them?

He uses the Trident sword's moves plus a Shark summon. Open Moves to see what each one does, how to avoid it and a clip of the two Trident moves.

Fishman Lord attacks and how to dodge them

Move
Trident Throw
What it does

He throws his Trident on a black rope. If it hits you, you take damage and get pulled to him. If it hits a wall, he is pulled to the Trident instead.

How to dodge

Dash often, or turn on Instinct, the dodge ability, and sidestep.

Clip (Trident sword)
Move
Water Pulse
What it does

He spins the Trident, which sucks nearby players in, then blasts and knocks them back.

How to dodge

Stay out of its pull, except at a window (see How do you beat the Fishman Lord?).

Clip (Trident sword)
Move
Shark Summon
What it does

He calls 3 Sharks for the whole fight, and they come back after you kill them.

How to dodge

Kill the Sharks as fast as you can.

Clip (Trident sword)

How do you beat the Fishman Lord?

  • Wall trick: hit him once, run out of the palace, and put a wall between you. Then use long-range area moves or fast melee. Do not fire every move at once, because he regenerates the moment you stop and then teleports back to his spawn.
  • Window trick: when he is lodged against a window, wait outside on the glass and spam basic attacks. From there his Water Pulse does little damage, so you can take it.
  • Instinct: turn it on (E on keyboard, the eye button on mobile) and dodge. Trident Throw cannot break it, but Water Pulse can.
  • Quirks: very high burst damage can end the fight before he transforms. He sometimes gets stuck underground, where he cannot hit you but you can hit him. If you leave a second-form Fishman Lord alone for a long time he resets: he stays in the second form and regenerates health, with no visible change. This regeneration is separate from the one-time heal at the transformation.
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How do you awaken the Fishman Lord?

Since Update 30 the First Sea runs an hourly awakened-boss event, and the Fishman Lord is one of the ten bosses it can pick. It is also one of the Underwater City's secret quests (see Island Secrets), so your first win adds 5 to your maximum level (Secret Levels).

How to awaken the Fishman Lord

Step
1
What to do

Check the Secrets Master in Middle Town in the last half hour. He answers once you have three stars on any First Sea island (they come from Island Secrets) and tells you which island stirs next.

Step
2
What to do

Only go if he points to the Underwater City. Otherwise try another server, because each server picks its own boss. Wait at the palace: the boss only awakens if a player is close when the hour starts, and then anyone can join.

Step
3
What to do

Wait for the chat message: The water is stirring - the Fishman Lord has risen...

Step
4
What to do

Check the clams scattered over the island until you find the one holding the black pearl, and take it. You cannot hurt him before this, and taking the pearl starts the fight.

Step
5
What to do

Beat him. Chat announces (your name) defeated the awakened Fishman Lord! Do 10% or more of his max health to earn one free roll on the Awakened Boss Gacha (scrolls, Fruit Boxes, Beli, or the Royal Nimbus as the grand prize). The roll has no cooldown.

What changed for the Fishman Lord in updates?

Update 30- September 5, 2026
  • The Fishman Lord got a slight visual upgrade and joined the hourly Awakened Boss event in the First Sea.
Update 3- June 30, 2019
  • The Fishman Lord was added together with the Underwater City.

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