- Anglerfish Threat: The 100 days at sea anglerfish is a deadly ocean predator that hunts players in deep waters.
- Key Mechanic: Use flares to distract the beast and redirect its aggression toward other enemies.
- Best Strategy: Coordinate base upgrades to reach an 8x day multiplier before attempting the final boss run.
- Top Choice: Equip the Ghost Cutlass or Magma Staff for high-tier combat encounters.
Surviving the Depths and the Anglerfish Threat
Sailing the treacherous waters in 100 days at sea requires constant vigilance, especially when diving into the deepest trenches. The 100 days at sea anglerfish represents one of the most terrifying environmental hazards in the game, capable of devouring unprepared sailors who venture too deep without proper light sources.
To survive the deep sea, you must understand how to manage aggro and use the environment to your advantage. The anglerfish can be manipulated using specific items, turning a deadly encounter into an opportunity to escape.
Video Highlights:
- Discovering how to reach the maximum 8x day multiplier.
- Using flares to distract the anglerfish and escape deep water.
- Locating the three stronghold keys to unlock the pirate castle.
- Defeating the Kraken and summoning the Ghost Galleon.
| Hazard | Depth Level | Danger Rating | Countermeasure |
|---|---|---|---|
| Anglerfish | Deep Ocean (3,000m+) | ★★★★★ | Use flares to redirect aggro |
| Boko Buku | Surface & Reefs | ★★☆☆☆ | Ranged weapons or basic melee |
| Ghost Pirates | Ruins & Fortresses | ★★★★☆ | Ghost Cutlass & Blunderbuss |
| Kraken | Open Sea (Night) | ★★★★★ | Heavy cannons & Rifle fire |
Never dive into the deep ocean without at least one flare in your inventory. If the anglerfish targets your vessel, deploy a flare immediately to redirect its attention toward nearby Boko Bukus or wild sea creatures.
Base Optimization & Day Multipliers
Before you can tackle the game's ultimate challenges, you must establish a secure base. Upgrading your shelters is the most reliable way to increase your survival efficiency and accelerate your progression.
By building and upgrading shelters, you increase your day counter multiplier, which helps you reach the milestone of surviving 100 days much faster.
Yacht Vessel
- High maneuverability
- Moderate speed
- Vulnerable to shark attacks
Galley Vessel
- Thick armored hull
- Immune to basic shark bites
- Harder to steer in tight spaces
Jet Ski
- Maximum travel speed
- Perfect for scouting islands
- No defensive capabilities
| Structure | Upgrade Cost | Day Multiplier Bonus | Function |
|---|---|---|---|
| Basic Shelter | Wood Planks, Scrap | +1x Multiplier | Basic spawn point |
| Advanced Outpost | Metal Scrap, Ghost Goop | +2x Multiplier | Increases daily resource generation |
| Maximum Bunker | Refined Metal, Blueprints | +8x Multiplier (Max) | Ultimate defense and progression speed |
Set up an Ammo Factory at your home base as early as possible. Your idle NPCs will continuously craft bullets using infinite metal scrap, ensuring you never run out of ammunition during boss fights.
How to Unlock the Pirate Castle
Unlocking the final areas of the game requires retrieving three cursed keys scattered across the map. These keys lift the barrier surrounding the ancient pirate castle, where high-tier loot awaits.
Retrieve the First Key
Sail to Skull Island and defeat the waves of ghost pirates guarding the altar. Grab the key once the curse lifts.
Navigate the Deep Trench
Dive 3,000 meters down into the dark trench. Use a flare to distract the 100 days at sea anglerfish so you can safely grab the second key.
Clear the Final Outpost
Locate the third key island, defeat the remaining Boko Buku raiders, and claim the final key to unlock the castle doorway.
| Key Type | Guardian Type | Location | Primary Reward |
|---|---|---|---|
| Skull Key | Ghost Pirate Captain | Skull Island Altar | Castle Access |
| Deep Key | Deep Sea Anglerfish | 3,000m Trench | Castle Access |
| Raider Key | Boko Buku Chieftain | Coral Outpost | Castle Access |
Defeating the Pirate Captain inside the castle unlocks the Galleon Bell and the Ghostly Cutlass, which deals massive damage to ghostly enemies and sea bosses.
Defeating the Volcano Guardians & Magma Lord
Once you have survived to the late game, your next destination is the massive volcano. To trigger the volcano eruption and face the Lord of Lava, you must first defeat the three Magma Golems acting as guardians on the surrounding miniature islands.
| Boss Name | Health Pool | Attack Style | Drop Rewards |
|---|---|---|---|
| Magma Golem | Medium-High | Ground slams, Fireballs | Golem Core, Ore |
| Lord of Lava | Very High | Meteor showers, Snail minions | Magma Staff, Fire Essences |
| Greenbeard | Extreme | Cannon fire, Ghostly slashes | Boomstick, Vault Riches |
The Magma Staff obtained from the Lord of Lava is one of the most powerful weapons in the game. It allows you to summon meteor showers that deal area-of-effect damage, making group fights against ghost pirates incredibly easy.
Endgame Progression Checklist
Use this checklist to ensure you have completed all major milestones and collected the best gear before attempting to escape the sea.
Ultimate Survival Goals:
- Upgrade base shelters to reach the 8x day multiplier
- Survive past day 100 and watch the rescue helicopter cutscene
- Defeat the deep-sea anglerfish using flare distraction tactics
- Slay the Lord of Lava and craft the Magma Staff
- Solve the red, green, and blue puzzle crates in the pirate vault
- Defeat Captain Greenbeard to claim the legendary Boomstick
Frequently Asked Questions
Q: How do I escape the 100 days at sea anglerfish?
The anglerfish spawns in deep waters (around 3,000 meters). To escape it, throw a flare to distract it. The anglerfish will attack the flare or nearby enemies like Boko Bukus, allowing you to swim or sail away safely.
Q: What does the Galleon Bell do?
Ringing the Galleon Bell costs 10 slime and summons a Ghost Galleon. Defeating the ghost pirates on board allows you to commandeer the ship without having to build one from scratch.
Q: How do I open the door inside Greenbeard's vault?
To open the vault door, you must locate and drag three colored puzzle crates (Red, Green, and Blue) onto their corresponding pressure plates inside the ship.
Q: What is the best weapon for the endgame boss fights?
The Magma Staff is highly recommended for its powerful area-of-effect meteor attacks. For close-quarters combat, the Ghostly Cutlass offers excellent speed and damage against ghostly enemies.