Sailor Piece

Bosses Wiki

Detailed information on all 27 bosses — HP, locations, respawn timers, and complete drop tables.

Early Islands

Jinwoo

Jinwoo

EasyB

One of the first bosses players will encounter on Sailor Island. Jinwoo has 6M HP and drops Abyss Edge, Dark Ring, and Shadow Heart materials used for sword progression.

Level: -
HP: 6,000,000
3 drops · ~6.5 minutes
Alucard

Alucard

MediumA

A mid-tier open-world boss on Sailor Island with 20M HP. Alucard drops the Soul Amulet accessory, the Casull weapon, and the Blood Ring.

Level: -
HP: 20,000,000
3 drops · ~5 minutes
Yuji

Yuji

EasyB

An early-game open-world boss at Shibuya Station with 3.75M HP. Yuji drops Energy Core (25%), Flash Impact (9%), and Divergent Pulse (4%) — key crafting materials for early progression.

Level: 3,000
HP: 3,750,000
3 drops · ~5 minutes
Gojo

Gojo

EasyB

An early-to-mid boss at Shibuya Station with 4M HP. Gojo drops the Limitless Key (30%) needed to summon Strongest of Today, plus Void Fragment and Limitless Ring.

Level: 3,000
HP: 4,000,000
3 drops · ~5 minutes
Sukuna

Sukuna

MediumA

The strongest of the Shibuya Station trio with 5M HP. Sukuna drops the Malevolent Key (30%) needed to summon Strongest in History, plus Cursed Finger and Dismantle Fang.

Level: 3,000
HP: 5,000,000
3 drops · ~5 minutes
Escanor

Escanor

ExtremeS

The Boss Rush exclusive boss, encountered during the Boss Rush gamemode on Sailor Island. Escanor's HP scales with Boss Rush difficulty. Drops the Escanor weapon (5.74% chance, no pity), Sun Armor (0.5-1.5%), and The One title (0.85-1.75%). Boss Rush difficulties: Easy (DR 35% less effective), Medium (DR 70% less, lifesteal 50% less), Hard/Extreme (DR disabled, lifesteal disabled, iFrames 1.5s only).

Level: -
HP: 100,000,000
3 drops · Boss Rush only (requires Rush Key)

Mid Islands

Aizen

Aizen

HardA

A powerful mid-to-late boss at Hueco Mundo with 25M HP. Aizen drops the Mirage Pendant accessory (20%), Illusion Prism (8%), Reiatsu Core (3%), and the rare Hogyoku Fragment (1.2%).

Level: 5,000
HP: 25,000,000
4 drops · ~5 minutes
Saber

Saber

MediumB

A summonable boss on Boss Island requiring 1 Boss Key + 100K Cash + 175 Gems. Saber is one of the more accessible summonable bosses with a 2% chance to drop the Saber sword.

Level: 1,500
HP: 2,500,000
1 drops · Summon only
Qin Shi

Qin Shi

HardA

A summonable boss on Boss Island requiring 3 Boss Keys + 250K Cash + 400 Gems. Qin Shi drops Jade Tablet (6%) and Imperial Seal (2%).

Level: -
HP: 10,000,000
2 drops · Summon only
Ichigo

Ichigo

HardA

A 65M HP summonable boss on Boss Island, requiring 5 Boss Keys + 350K Cash + 600 Gems. Ichigo drops Soul Fragment (6%), Spiritual Core (1.75%), and the rare Soul Flame (0.7%).

Level: 1,500
HP: 65,000,000
3 drops · Summon only
Shadow

Shadow

HardA

The dungeon boss encountered in the Cid Dungeon (Waves 5/10/15). Shadow's HP scales from 20M to 500M based on difficulty. Drops Umbral Capsule and Void Seed.

Level: 5,000
HP: 20,000,000
4 drops · Dungeon only
Ragna

Ragna

MediumA

An event boss on Christmas Island with 12.5M HP and 5-minute cooldown. Drops Wyrm Band (25%), Black Frost (9%), and Silver Requiem (3.5%).

Level: -
HP: 12,500,000
3 drops · ~5 minutes (event cooldown)

Endgame Islands

Madoka

Madoka

ExtremeS+

The hardest open-world boss with 250M HP, located on Valentine Island. Madoka guarantees a Heart drop (100%) and also drops Divine Fragment (6%) and Sacred Bow (4%). Requires a coordinated group.

Level: -
HP: 250,000,000
3 drops · ~6.5 minutes
Gilgamesh

Gilgamesh

Very HardS

A 300M+ HP endgame summonable boss on Boss Island, requiring 1 Divine Grail + 500K Cash + 500 Gems. Drops Throne Remnant (11.5%), Ancient Shard (4.5%), Golden Essence (1.5%), and Phantasm Core (0.5%).

Level: -
HP: 300,000,000+
4 drops · Summon only
Strongest of Today

Strongest of Today

Very HardS

A powerful summonable boss on Shinjuku Island (125M+ HP), summoned with a Limitless Key from Gojo. Drops Reversal Pulse (15%), Six Eye (6%), Blue Singularity (2%), and Infinity Essence (0.65%).

Level: 6,250
HP: 125,000,000+
4 drops · Summon only
Strongest in History

Strongest in History

ExtremeS+

The hardest summonable boss on Shinjuku Island (150M+ HP), summoned with a Malevolent Key from Sukuna. Drops Awakened Cursed Finger (15%), Vessel Ring (6%), Malevolent Soul (2%), and Cursed Flesh (0.65%).

Level: 6,250
HP: 150,000,000+
4 drops · Summon only
Rimuru

Rimuru

Very HardA

A summonable slime boss on Slime Island (200M+ HP), requiring 1 Slime Key. Drops Sage Pulse (13.5%) and Tempest Seal (5.5%).

Level: 8,000
HP: 200,000,000+
2 drops · Summon only
Anos

Anos

ExtremeS

A 350M+ HP endgame summonable boss on Academy Island, requiring 1 Calamity Seal. Anos drops Demonic Fragment (11.5%) and Demonic Shard (4.5%).

Level: 9,000
HP: 350,000,000+
2 drops · Summon only
Shadow Monarch

Shadow Monarch

ExtremeS+

The ultimate dungeon boss in the Double Dungeon with 750M HP. Drops Monarch Core (6.75%), Monarch Essence (2.75%), Shadow Crystal, and the rare Kamish Dagger weapon.

Level: 5,000
HP: 750,000,000
4 drops · Dungeon only
True Aizen

True Aizen

ExtremeS+

The strongest summonable boss on Soul Society with 850M HP (Normal difficulty). Summoned via Chrysalis Sigils farmed from Quincy NPCs on Soul Society. Drops the Transcendent Being title (+72.5% DMG) — the best damage title in the game — along with Evolution Fragment, Transcendent Core, Divinity Essence, Fusion Ring, and the Manipulator Outfit accessory.

Level: 5,000
HP: 850,000,000
6 drops · Summon only
Yamato

Yamato

ExtremeS+

A powerful summonable boss on Judgement Island with 850M HP (Normal difficulty). Drops materials needed for the Yamato sword — Azure Heart (0.5%), Yamato Essence (2.5%), Frozen Will (4.25%), Silent Storm — plus the Blade Sovereign title (1%) and the Imperial Outfit accessory.

Level: 5,000
HP: 850,000,000
6 drops · Summon only
Blessed Maiden

Blessed Maiden

ExtremeS+

A summonable boss on Boss Island with 650M HP (Normal difficulty). Summoned via Tempest Relics + Cash + Gems at the Boss Summoner NPC. Normal: 1 Tempest Relic + 600K Cash + 600 Gems. Drops the Astral Empress title (+70% DMG), Aero Core, Gale Essence, and the Maiden Outfit accessory.

Level: -
HP: 650,000,000
5 drops · Summon only
Saber Alter

Saber Alter

HardS

A powerful boss added in the Alter Update (March 16, 2026). Summoned on Boss Island using Dark Grails + Money + Gems. Three difficulty levels: Normal (1 Grail), Hard (2 Grails), Extreme (4 Grails). Must deal at least 10% of boss HP to receive rewards. Drops Corrupt Crown and Corruption materials for Saber Alter weapon crafting.

Level: -
HP: 750,000,000
6 drops · Summoned (not timed spawn) — requires Dark Grails + currency
Kokushibo

Kokushibo

ExtremeS+

A summonable endgame boss on Boss Island, added in the Moon Update (March 31, 2026). Summoned at the Boss Summoner NPC using 1x Upper Seal + 700,000 Money + 700 Gems. Upper Seals drop from enemies on Shinjuku, Lawless, and Ninja Island. Drops materials needed for the Moon Slayer melee spec unlock, including the rare Moon Crest. Small buff applied on new servers (Alx, April 2, 2026: 'not a big buff as he doesn't need a big one'). Specific stat changes TBD pending full server rollout. Source: Discord #game-announcements (Alx, 2026-04-02) + Beebom/Roonby (2026-04-01).

Level: 12,000
HP: 1,250,000,000
4 drops · Summon only (1x Upper Seal + 700,000 Money + 700 Gems)
Strongest Shinobi

Strongest Shinobi

ExtremeS+

A 2 billion HP open-world boss on Ninja Island, added in the Massive Update (March 25, 2026). Based on Madara Uchiha. Spawns automatically every 6 minutes at the far end of Ninja Island (opposite the teleport spawn point). Drops the Battlefield Warlord title (1.5%, 100-kill pity) — required for the Strongest Shinobi fighting style unlock chain. Level 12,000+ recommended. Source: allthings.how + progameguides.com (2026-03-27).

Level: 12,000
HP: 2,000,000,000
5 drops · ~6 minutes (open world auto-spawn)
Atomic Boss (Cid)

Atomic Boss (Cid)

ExtremeS+

A 2 billion HP summonable boss on Lawless Island, added in the Massive Update (March 25, 2026). Summoned at the Atomic Boss Summoner NPC using Abyss Sigils (Normal=1, Medium=2, Hard=3, Extreme=4). Drops the S+ tier Atomic Outfit accessory (1.23%) and materials needed to purchase the Atomic Sword (Cid V2) from the Atomic Seller NPC. Abyss Sigils drop from Arena Fighter mobs on Lawless Island and Ninja mobs on Ninja Island. Level 12,000+ recommended. Source: allthings.how + beebom.com (2026-03-27).

Level: 12,000
HP: 2,000,000,000
6 drops · Summon only (Abyss Sigils required)
Frost Boss

Frost Boss

ExtremeS+

A summonable endgame boss on Boss Island, added in the Ice Update (April 8, 2026). Summoned via the Boss Summoner NPC using Frost Relics + Money + Gems. Normal spawn: 1 Frost Relic + 750,000 Money + 750 Gems. Higher difficulties increase HP and drop rates. Drops materials needed for the Ice Queen sword crafting chain, including the rare Ice Core and Frost Empress Title. The Frost Empress Title (pity 155) is required to purchase the Ice Queen sword. Frost Relics also drop from ALL NPCs in game. Source: Beebom (2026-04-08) + Discord #update-logs (Alx, 2026-04-08, gold standard).

Level: -
HP: 1,650,000,000
6 drops · Summon only (1x Frost Relic + 750,000 Money + 750 Gems)