Cthulhu is not hard because of one fight. He is hard because the setup is brutal. You need a storm, a Prismatic Shard, a fast Ghost Ship clear, and enough damage to survive a long boss fight.

If you waste the storm window, you wait roughly 2 hours 35 minutes for another shot. Prepare first. Fight second.

• Haze Seas Cthulhu Spawn Requirements
• Best Pre-Storm Checklist
• How to Spawn Cthulhu in Haze Seas
• Common Cthulhu Spawn Mistakes
• How to Beat Cthulhu in Haze Seas
• Cthulhu Fight Priorities
• Best Combat Tips
• Cthulhu Drops and Abyssal Eye Farming
• Dual Dark Blade Requirements in Haze Seas
• Realistic Time Estimate
• Best Way to Farm Ancient Blade Relics and Blade Fragments
• Merchant Priority
• Mythical Gryphon Sword: Shanks Farming Guide
• Shanks Farming Basics
• Gryphon Sword Skills
• Abyssal Necklace: Should You Craft It?
• Crafting Priority
• Best Farming Route for Cthulhu, Shanks, and Dual Dark Blade
• Priority Order
• FAQ
• How do you spawn Cthulhu in Haze Seas?
• How many Abyssal Eyes do you need for Dual Dark Blade?
• How long does Cthulhu farming take?
• How do you get the Mythical Gryphon Sword?
• Is Abyssal Necklace worth it?
• Summary

↖ Haze Seas Cthulhu Spawn Requirements

Cthulhu only matters if you can spawn him consistently. The bottleneck is the Prismatic Shard.

The worst material is usually Sea Beast Heart. It is not as reliable as the others, so farm extra before storm time.

↖ Best Pre-Storm Checklist

Before the storm starts, have this ready:

• All Prismatic Shard materials except the storm Lantern
• Enough cash for Merchant buys
• Fast teleport route unlocked
• Boss build equipped
• Inventory space cleared
• Sky Island route memorized

Do not start farming Hearts when the storm begins. That is how runs die.

↖ How to Spawn Cthulhu in Haze Seas

The spawn route is simple, but the timer is tight.

Storm lasts around 10 minutes. That means you are not farming during storm. You are executing.

↖ Common Cthulhu Spawn Mistakes

If a Sea Beast spawns at the worst time, burst it down. Treat it like a moving tax bill.

↖ How to Beat Cthulhu in Haze Seas

Cthulhu has huge HP and multiple phases. Expect a long fight.

In practice, a geared kill can take around 13 minutes. If your damage or sustain is lower, it will take longer.

↖ Cthulhu Fight Priorities

Cthulhu punishes greedy play. Stay close enough to hit, but do not burn every cooldown at once.

↖ Best Combat Tips

• Use M1 attacks if your build has lifesteal.
• Keep Observation up before big hits.
• Aim for the center body, not the wings.
• Do not relax after the first health bar.
• If you die repeatedly, your issue is probably sustain, not damage.

↖ Cthulhu Drops and Abyssal Eye Farming

Cthulhu is worth farming because of Abyssal Eyes.

The guaranteed Abyssal Eye is the real prize. Even a bad Cthulhu kill still moves your account forward.

↖ Dual Dark Blade Requirements in Haze Seas

Dual Dark Blade is a long grind. Plan for multiple sessions.

You need 5 Cthulhu kills minimum for the Abyssal Eyes.

↖ Realistic Time Estimate

Do not burn Abyssal Eyes on cosmetics first if Dual Dark Blade is your main goal.

↖ Best Way to Farm Ancient Blade Relics and Blade Fragments

The fastest route is not pure boss grinding. Use the Wandering Merchant.

Merchant buys are expensive, but worth it. Cash comes back. Spawn timers do not.

↖ Merchant Priority

If you are pushing Dual Dark Blade, keep at least 1.3M+ cash ready for each good Merchant visit.

↖ Mythical Gryphon Sword: Shanks Farming Guide

The Mythical Gryphon Sword drops from Shanks. The drop is rare, commonly reported around 10%.

Shanks is also important because he gives Blade Fragments, which help your long-term sword progression.

↖ Shanks Farming Basics

If Sea Beast kills are reducing Shanks' timer in your server, farm them aggressively. You are working on Sea Beast Hearts and speeding up Shanks at the same time.

↖ Gryphon Sword Skills

The Gryphon Sword feels good for farming and flexing. The Z skill is the highlight. The X skill is useful, but positioning matters.

↖ Abyssal Necklace: Should You Craft It?

The Abyssal Necklace is strong, but it competes with your Cthulhu progression.

Craft it only after your main goals are safe.

↖ Crafting Priority

The Necklace is good. The timing is the issue. If you spend your first Abyssal Eye on it, Dual Dark Blade gets delayed.

↖ Best Farming Route for Cthulhu, Shanks, and Dual Dark Blade

This is the clean loop.

This route keeps every minute useful. You are not waiting. You are stacking progress.

↖ Priority Order

1. Prepare Prismatic Shard materials.

2. Farm Sea Beast Hearts.

3. Buy Ancient Blade Relics from Merchant.

4. Kill Cthulhu five times.

5. Farm Shanks for Gryphon Sword.

6. Craft Abyssal Necklace after core upgrades.

↖ FAQ

↖ How do you spawn Cthulhu in Haze Seas?

You need a Prismatic Shard and a storm. During the storm, get the Lantern from Ghost Ship, craft the shard, go to the whirlpool below Sky Island, and sacrifice the shard.

↖ How many Abyssal Eyes do you need for Dual Dark Blade?

You need 5 Abyssal Eyes. Cthulhu gives 1 guaranteed Abyssal Eye per kill, so you need at least five Cthulhu kills.

↖ How long does Cthulhu farming take?

Expect 10–13+ hours minimum for five kills because storms spawn around every 2 hours 35 minutes. That does not include failed spawns or missing materials.

↖ How do you get the Mythical Gryphon Sword?

Farm Shanks. The Gryphon Sword is a rare drop, commonly reported around 10%. Killing Sea Beasts can reduce Shanks' spawn timer, making the farm faster.

↖ Is Abyssal Necklace worth it?

Yes, but not before Dual Dark Blade if you are short on Abyssal Eyes. It gives around 10% all damage, but spending early Abyssal Eyes delays your main sword craft.

↖ Summary

Cthulhu farming in Haze Seas is a preparation check.

The winning route is:

• Farm Sea Beasts for Hearts and Shanks timer reduction.
• Buy Ancient Blade Relics from the Wandering Merchant.
• Use storms to kill Ghost Ship and craft Prismatic Shard.
• Spawn and kill Cthulhu for guaranteed Abyssal Eyes.
• Save 5 Abyssal Eyes for Dual Dark Blade.
• Farm Shanks whenever possible for the Mythical Gryphon Sword.

Do not chase every craft at once. First secure Dual Dark Blade materials. Then spend extra Abyssal Eyes on damage gear like Abyssal Necklace.