Island 5 Regional Compendium

Volcano Island (Endgame Caldera)

Magma fish locations, volcanic trench thermal lures, and Bowhead Whale Leviathan combat guide on Volcano Island. Explore all 2 native fish species, local bait requirements, and boss summoning mechanics.

Island Boss:Mutated Bowhead Whale (Final Endgame Boss)|Summon: Nuclear Glow Lure

Boiling Magma & Sunken Nuclear Ruins

Switch Island Compendium:

Lighthouse Island Forest Island Desert Island Rocks Island Volcano Island

Native Fish Species (2)

Verified stats, required lures, health pools, and combat tips for Volcano Island.

EpicBase: $1800

Magma Goblin Shark (Sub-Boss)

A nightmarish deep-sea monstrosity adapted to survive in boiling lava-infused sulfuric water.

Required Bait:Scientific Deep Lure

Weapon:Assault Rifle + RPG / Dynamite

Max Multiplier:x9.5 (Explosive Breach)

Tip: Aim for the extended protruding jaw when it bites forward for guaranteed 2.5x critical damage.

BossBase: $5000

Mutated Bowhead Whale (Final Boss)

The ultimate entity of How to Fish. A titanic prehistoric whale mutated by sunken radioactive remnants.

Required Bait:Nuclear Glow Lure

Weapon:Fully Upgraded Assault Rifle + Sniper + Rocket Launcher

Max Multiplier:x15.0 (Ultimate 360 Airborne Explosive Finish)

Tip: Requires the Pull Back Rod and max-tier weapons. Break its three dorsal crystal nodes first to disable its lava shield before targeting the heart.

Available Baits & Lures (3)

Lures unlocked or obtained in Volcano Island.

🔬$750

Scientific Deep Lure

High-pressure thermal resistant probe bait equipped with bioluminescent sonar.

How to get: Purchased from the Research Outpost Scientist on Volcano Island.

☢️$1,500

Nuclear Glow Lure (Final Boss)

Radioactive isotope bait that glows intensely in the boiling volcanic trench. Summons the ancient Leviathan.

How to get: Combine 1 Lava Core + 1 Scientific Sensor at the Volcano Lab.

🔥$400

Magma Worm

Heat-impervious thermal creature that thrives in 500°C molten rock vents.

How to get: Harvested with Cryo Tongs from volcanic geysers.

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