All 32 Bosses in Sailor Piece

Bosses are the farming backbone of Sailor Piece. They drop weapons, titles, materials, accessories, summon keys, quest pieces, and late-game unlocks, so the best boss to fight is usually the one that matches the route you are building toward.

Sailor Piece catalog

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Boss stage

Early Islands

6 items

Early bosses cover the first repeat farms and Shibuya-style starter routes. Their HP is lower, but drops like keys, rings, materials, and early titles can still feed later unlock chains.

Jinwoo

Level 0

difficulty: Easy
Level: 0
HP: 6,000,000
access / respawn: ~6.5 minutes
Notable Drops: Abyss Edge (17.5%)
Dark Ring (7%)
Shadow Heart (2%)
Shadow Monarch Title (3%)

Alucard

Level 0

difficulty: Medium
Level: 0
HP: 20,000,000
access / respawn: ~5 minutes
Notable Drops: Soul Amulet (8%)
Casull (2%)
Blood Ring (2%)
Vampire King Title (2.5%)

Yuji

Level 3,000

difficulty: Easy
Level: 3,000
HP: 3,750,000
access / respawn: ~5 minutes
Notable Drops: Energy Core (25%)
Flash Impact (9%)
Divergent Pulse (4%)

Gojo

Level 3,000

difficulty: Easy
Level: 3,000
HP: 4,000,000
access / respawn: ~5 minutes
Notable Drops: Limitless Key (30%)
Void Fragment (20%)
Limitless Ring (8%)
Honored One Title (5%)

Sukuna

Level 3,000

difficulty: Medium
Level: 3,000
HP: 5,000,000
access / respawn: ~5 minutes
Notable Drops: Malevolent Key (30%)
Cursed Finger (20%)
Dismantle Fang (8%)
Curse King Title (4%)

Escanor

Level 0

difficulty: Extreme
Level: 0
HP: 100,000,000
access / respawn: Boss Rush only (requires Rush Key)
Notable Drops: Escanor Weapon (5.74%)
The One Title (0.85%)
Sun Armor (0.5%)

Name	Level	difficulty	HP	encounter type	access / respawn	drop count
Jinwoo	Level 0	Easy	6,000,000	Boss fight	~6.5 minutes	4 items
Alucard	Level 0	Medium	20,000,000	World boss	~5 minutes	4 items
Yuji	Level 3,000	Easy	3,750,000	World boss	~5 minutes	3 items
Gojo	Level 3,000	Easy	4,000,000	Summon boss	~5 minutes	4 items
Sukuna	Level 3,000	Medium	5,000,000	Summon boss	~5 minutes	4 items
Escanor	Level 0	Extreme	100,000,000	Boss Rush	Boss Rush only (requires Rush Key)	3 items

Boss stage

Mid Islands

6 items

Mid Island bosses start connecting normal progression to summons, fragments, and stronger weapon routes. These fights are where access rules begin to matter more than simple respawn timers.

Aizen

Level 5,000

difficulty: Hard
Level: 5,000
HP: 25,000,000
access / respawn: ~5 minutes
Notable Drops: Mirage Pendant (20%)
Illusion Prism (8%)
Reiatsu Core (3%)
Hogyoku Fragment (1.2%)

Saber

Level 1,500

difficulty: Medium
Level: 1,500
HP: 2,500,000
access / respawn: Summon only
Notable Drops: Saber Sword (2%)

Qin Shi

Level 0

difficulty: Hard
Level: 0
HP: 10,000,000
access / respawn: Summon only
Notable Drops: Jade Tablet (6%)
Imperial Seal (2%)

Ichigo

Level 1,500

difficulty: Hard
Level: 1,500
HP: 65,000,000
access / respawn: Summon only
Notable Drops: Soul Fragment (6%)
Spiritual Core (1.75%)
Soul Flame (0.7%)

Shadow

Level 5,000

difficulty: Hard
Level: 5,000
HP: 20,000,000
access / respawn: Dungeon only
Notable Drops: Umbral Capsule (12.5%)
Void Seed (4.5%)
Shadow Essence (2%)
Atomic Core (0.75%)

Ragna

Level 0

difficulty: Medium
Level: 0
HP: 12,500,000
access / respawn: ~5 minutes (event cooldown)
Notable Drops: Wyrm Band (25%)
Black Frost (9%)
Silver Requiem (3.5%)

Name	Level	difficulty	HP	encounter type	access / respawn	drop count
Aizen	Level 5,000	Hard	25,000,000	Boss fight	~5 minutes	5 items
Saber	Level 1,500	Medium	2,500,000	Summon boss	Summon only	1 items
Qin Shi	Level 0	Hard	10,000,000	Summon boss	Summon only	2 items
Ichigo	Level 1,500	Hard	65,000,000	Summon boss	Summon only	3 items
Shadow	Level 5,000	Hard	20,000,000	Dungeon boss	Dungeon only	4 items
Ragna	Level 0	Medium	12,500,000	Boss fight	~5 minutes (event cooldown)	3 items

Boss stage

Endgame Islands

20 items

Endgame bosses carry the heaviest HP checks and the rarest route pieces. Many are tied to Sea 2, world bosses, summon costs, titles, sword materials, or limited update systems.

Cosmic Being

Level 14,500

difficulty: Extreme
Level: 14,500
HP: 500,000,000,000
access / respawn: 30 minutes after defeat (server time)
Notable Drops: Cosmic Being (Melee Spec) (0.525%)
Cosmic Being Title (+95% Damage) (1.75%)
Cosmic Essence (6.53%)
Star Mark (3.26%)

The World

Level 13,500

difficulty: Very Hard
Level: 13,500
HP: 5,000,000,000
access / respawn: Summon-based (1 Dominion Brand per Normal summon)
Notable Drops: Time Tyrant Title (+92.5% Damage) (0.6%)
Power Fragment (8%)
Time Remnant (2.75%)
World Outfit (0.65%)

Great Mage

Level 13,000

difficulty: Very Hard
Level: 13,000
HP: 3,500,000,000
access / respawn: Summon-based — Normal 1 Easter Key / Medium 2 / Hard 3 / Extreme 4 (sailorpiecewiki 2026-04-23). Easter Event until 2026-04-22 11:16 AM PT
Notable Drops: Ancient Mage Title (+90% Damage) (0.65%)
Spell Echo (9.87%)
Ancient Fragment (3.41%)
Mage Outfit (0.9%)

Kraken

Level 13,000

difficulty: Very Hard
Level: 13,000
HP: 1,250,000,000,000
access / respawn: Bounty-dependent (500k+ bounty required, server cap 1 Kraken)
Notable Drops: Dragon Queen Title (+97.5% Damage) (0.85%)
Dragon Goddess Sword Crafting Materials (0.465%)
Bloodline Stone (avg 15/kill)
Clan Reroll (avg 25/kill)

Sea Serpent

Level 13,000

difficulty: Very Hard
Level: 13,000
HP: 625,000,000,000
access / respawn: Bounty-dependent (500k+ bounty required, server cap 1 Sea Serpent)
Notable Drops: Dragon Queen Title (+97.5% Damage) (0.85%)
Dragon Goddess Sword Crafting Materials (0.4%)

Madoka

Level 0

difficulty: Extreme
Level: 0
HP: 250,000,000
access / respawn: ~6.5 minutes
Notable Drops: Heart (100%)
Divine Fragment (6%)
Sacred Bow (4%)
Star Maiden Title (1.2%)

Gilgamesh

Level 0

difficulty: Very Hard
Level: 0
HP: 300,000,000
access / respawn: Summon only
Notable Drops: Throne Remnant (11.5%)
Ancient Shard (4.5%)
Golden Essence (1.5%)
Phantasm Core (0.5%)

Strongest of Today

Level 6,250

difficulty: Very Hard
Level: 6,250
HP: 125,000,000
access / respawn: Summon only
Notable Drops: Reversal Pulse (15%)
Six Eye (6%)
Blue Singularity (2%)
Infinity Essence (0.65%)

Strongest in History

Level 6,250

difficulty: Extreme
Level: 6,250
HP: 150,000,000
access / respawn: Summon only
Notable Drops: Awakened Cursed Finger (15%)
Vessel Ring (6%)
Malevolent Soul (2%)
Cursed Flesh (0.65%)

Rimuru

Level 8,000

difficulty: Very Hard
Level: 8,000
HP: 200,000,000
access / respawn: Summon only
Notable Drops: Sage Pulse (13.5%)
Tempest Seal (5.5%)

Anos

Level 9,000

difficulty: Extreme
Level: 9,000
HP: 350,000,000
access / respawn: Summon only
Notable Drops: Demonic Fragment (11.5%)
Demonic Shard (4.5%)

Shadow Monarch

Level 5,000

difficulty: Extreme
Level: 5,000
HP: 750,000,000
access / respawn: Dungeon only
Notable Drops: Monarch Core (6.75%)
Monarch Essence (2.75%)
Shadow Crystal (0.5%)
Kamish Dagger (0.75%)

True Aizen

Level 5,000

difficulty: Extreme
Level: 5,000
HP: 850,000,000
access / respawn: Summon only
Notable Drops: Transcendent Being Title (0.75%)
Evolution Fragment (15%)
Transcendent Core (6%)
Divinity Essence (2%)

Yamato

Level 5,000

difficulty: Extreme
Level: 5,000
HP: 850,000,000
access / respawn: Summon only
Notable Drops: Blade Sovereign Title (1%)
Azure Heart (0.5%)
Yamato Essence (2.5%)
Frozen Will (4.25%)

Blessed Maiden

Level 0

difficulty: Extreme
Level: 0
HP: 650,000,000
access / respawn: Summon only
Notable Drops: Astral Empress Title (0.8%)
Aero Core (1.6%)
Gale Essence (3%)
Tide Remnants (5%)

Saber Alter

Level 0

difficulty: Hard
Level: 0
HP: 750,000,000
access / respawn: Summoned (not timed spawn) — requires Dark Grails + currency
Notable Drops: Morgan Remnant (33.93%)
Alter Essence (12.25%)
Alter Armor (3.2%)
Corruption Core (3.02%)

Kokushibo (Moon Slayer Boss)

Level 12,000

difficulty: Extreme
Level: 12,000
HP: 1,250,000,000
access / respawn: Summon only (1x Upper Seal + 700,000 Money + 700 Gems)
Notable Drops: Demon Remnant (8.91%)
Lunar Essence (3.08%)
Crescent Shard (0.7%)
Moon Crest (0.3%)

Strongest Shinobi

Level 12,000

difficulty: Extreme
Level: 12,000
HP: 2,000,000,000
access / respawn: ~6 minutes (open world auto-spawn)
Notable Drops: Power Remnant (3.69%)
Battle Sigil (2.12%)
Eternal Core (1.01%)
Battlefield Warlord Title (1.5%)

Atomic Boss (Cid)

Level 12,000

difficulty: Extreme
Level: 12,000
HP: 2,000,000,000
access / respawn: Summon only (Abyss Sigils required)
Notable Drops: Magic Shard (11.5%)
Shadow Remnant (4.01%)
Atomic Outfit (1.23%)
Eminence Essence (1.02%)

Frost Boss

Level 0

difficulty: Extreme
Level: 0
HP: 1,650,000,000
access / respawn: + 750 Gems / Medium: 2 + $1M
+ 1000 / Hard: 3 + $1.25M
+ 1250 / Extreme: 4 + $1M
+ 1000
Notable Drops: Battle Shard (16.2%)
Glacier Remnant (5.37%)
Icen Queen Outfit (1.42%)
Frozen Brand (1.21%)

Image	Name	Level	difficulty	HP	encounter type	access / respawn	drop count
	Cosmic Being	Level 14,500	Extreme	500,000,000,000	World boss	30 minutes after defeat (server time)	9 items
Image unavailable for The World	The World	Level 13,500	Very Hard	5,000,000,000	Summon boss	Summon-based (1 Dominion Brand per Normal summon)	6 items
Image unavailable for Great Mage	Great Mage	Level 13,000	Very Hard	3,500,000,000	Summon boss	Summon-based — Normal 1 Easter Key / Medium 2 / Hard 3 / Extreme 4 (sailorpiecewiki 2026-04-23). Easter Event until 2026-04-22 11:16 AM PT	6 items
Image unavailable for Kraken	Kraken	Level 13,000	Very Hard	1,250,000,000,000	Sea creature	Bounty-dependent (500k+ bounty required, server cap 1 Kraken)	4 items
Image unavailable for Sea Serpent	Sea Serpent	Level 13,000	Very Hard	625,000,000,000	Sea creature	Bounty-dependent (500k+ bounty required, server cap 1 Sea Serpent)	2 items
	Madoka	Level 0	Extreme	250,000,000	World boss	~6.5 minutes	4 items
	Gilgamesh	Level 0	Very Hard	300,000,000	Summon boss	Summon only	4 items
	Strongest of Today	Level 6,250	Very Hard	125,000,000	Summon boss	Summon only	4 items
	Strongest in History	Level 6,250	Extreme	150,000,000	Summon boss	Summon only	4 items
	Rimuru	Level 8,000	Very Hard	200,000,000	Summon boss	Summon only	2 items
	Anos	Level 9,000	Extreme	350,000,000	Summon boss	Summon only	2 items
	Shadow Monarch	Level 5,000	Extreme	750,000,000	Dungeon boss	Dungeon only	4 items
	True Aizen	Level 5,000	Extreme	850,000,000	Summon boss	Summon only	6 items
	Yamato	Level 5,000	Extreme	850,000,000	Summon boss	Summon only	6 items
	Blessed Maiden	Level 0	Extreme	650,000,000	Summon boss	Summon only	5 items
	Saber Alter	Level 0	Hard	750,000,000	Summon boss	Summoned (not timed spawn) — requires Dark Grails + currency	6 items
	Kokushibo (Moon Slayer Boss)	Level 12,000	Extreme	1,250,000,000	Summon boss	Summon only (1x Upper Seal + 700,000 Money + 700 Gems)	4 items
	Strongest Shinobi	Level 12,000	Extreme	2,000,000,000	World boss	~6 minutes (open world auto-spawn)	5 items
	Atomic Boss (Cid)	Level 12,000	Extreme	2,000,000,000	Summon boss	Summon only (Abyss Sigils required)	6 items
	Frost Boss	Level 0	Extreme	1,650,000,000	Summon boss	Summon only — Normal: 1 Frost Relic + $750k + 750 Gems / Medium: 2 + $1M + 1000 / Hard: 3 + $1.25M + 1250 / Extreme: 4 + $1M + 1000	6 items

Boss access is as important as boss strength

Some bosses respawn on a timer. Others need keys, boss materials, dungeon access, world-boss spawns, or sea-beast conditions. A boss with better drops can still be a worse short-term farm if the account cannot summon it consistently.

Drops decide the route

A boss is worth farming when its drops connect to a real upgrade. Jinwoo helps early Shadow Monarch progress, Aizen connects to Mirage Pendant and Hogyoku Fragment, Sea Beasts feed Dragon Goddess materials, and Atomic Boss points toward high-end titles, outfits, and crafting materials.

FAQ

What boss should I farm first in Sailor Piece?

Start with bosses that match your current island route and level. Early bosses like Jinwoo, Yuji, Gojo, and Sukuna feed key materials before endgame summon routes become realistic.

Why do some bosses show level 0?

Level 0 usually means the local boss data did not list a normal level gate. Use HP, island stage, and access route to judge difficulty instead.

Are Sea Beasts normal bosses?

No. Kraken and Sea Serpent are sea-creature encounters. Their spawn rules and bounty requirements make them different from normal island bosses.

What should I check before farming an endgame boss?

Check the access route first. Summon cost, key requirement, dungeon gate, or world-boss spawn timing can matter more than the drop list.