A major new update has arrived for Haze Seas on August 7, 2026, bringing the terrifying Cthulhu Boss, the powerful Dual Dark Blade, the new Abyssal Eye accessory, and several other changes and improvements. Players can now take on a new Level 10,000 super boss, unlock new titles, craft powerful items through Doran the Forge, and experience various gameplay and mobile improvements.
Here are the complete patch notes for the update in Haze Seas.
Official patch notes for Cthulhu boss and Dual Dark Blade update in Haze Seas

Here are the official patch notes for the latest update derived from Haze Seas’ Discord:
“Cthulhu + Dual Dark Blade
Cthulhu Boss
- Abyssal Eye Accessory – New best accessory. Crafted via Doran the Forge
- Dual Dark Blade – craftable at Doran The Forge
- ABYSSALCTHULHU – 5 Race Spins
Changes
- Reduced dmg required for claim credit from 20% → 18%
- Title “Prismatic Monarch” – Craft the Prismatic Title (130 titles + prismatic shard)
- Buffed red emp 2nd phase walkspeed from 50% -> 100%
- Made title 153, 163, 148, obtainable
- Made crew members auto ally
- cut down npc stun duration to half in main game
- made intro landscape mode for mobile
- added scrollingframe for doran npc
- Remove stun from saturn’s ring V
- Reduce Saturn’s Ring hitbox size by 15%
- Fixed beastborne v2 speed buffs multiplying speeds abnormally
Dual Dark Blade Requirements:
- 20 Ancient Blade Relic
- 300 Mastery on Dark Blade V2
- 5 Abyssal Eye
- 20M$
Cthulhu Boss
- Level 10,000 Boss (two health bars)
- Prismatic Shard must be crafted via Doran the Forge
- During the storm [every 2H 35M] a whirlpool will appear under the rainbow sky islands in sea 3. Interacting with this whirlpool with a Prismatic Shard will summon the Cthulhu super boss.
- It roams infinitely until death.
Boss Behavior
- Cthulhu roams in a square pattern
- If a player enters aggro range, Cthulhu stops moving and begins combat
- If all players leave range, Cthulhu resumes roaming
- Boss does not despawn on a timer
- Boss has two lives/Health Bars. Skillset changes on the second form.
Drops:
- 100% Abyssal Eye
- Guaranteed Legendary+ fruit to whoever deals most dmg (80% legendary/20% myth chance)
- 10% Abyssal Haki Color Change
- 5 Levels/150 Gems/500k$
Titles:
- Title “Slayer of the Abyss” – Defeat Cthulhu
- Title “Emperor of the Abyss” – Defeat Cthulhu 10 times
- Title “Knight of the Stagnant Abyss” – Deal the most damage to Chutulu
- Title “Bearer of the Abyss” – Obtain the Abyssal Haki Color”
FAQs on Haze Seas
What is new in the Cthulhu update?
The update introduces the Cthulhu Boss, the Abyssal Eye accessory, the Dual Dark Blade, new titles, and several gameplay and quality-of-life changes.
How do you summon the Cthulhu Boss?
During the storm, which occurs every 2H 35M, a whirlpool will appear under the rainbow sky islands in Sea 3. Players can interact with the whirlpool while holding a Prismatic Shard to summon the Cthulhu super boss.
What level is the Cthulhu Boss?
Cthulhu is a Level 10,000 boss with two health bars.
What does Cthulhu drop?
Cthulhu has several drops, including a guaranteed Abyssal Eye, a Legendary+ fruit for whoever deals the most damage, a chance for an Abyssal Haki Color Change, and 5 Levels/150 Gems/500k$.
Edited by Sayandeep Das
