Yamato
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.

Yamato
Endgame Islands
- Location
- Judgement Island
- Level Required
- 5,000
- Respawn Time
- Summon only
- HP
- 850,000,000
Boss Stats
| Stat | Value | Notes |
|---|---|---|
| Health | 850,000,000 | - |
| Level | 5,000 | - |
| Sea | Endgame Islands | - |
| Difficulty | Extreme | - |
| Respawn Time | Summon only | - |
| Drop Count | 6 items | - |
Drop Table
Yamato drops 6 items. The rarest drops are Azure Heart and Imperial Outfit. Farm Yamato consistently to accumulate materials for crafting and progression.
| Item | Type | Drop Rate | Rarity |
|---|---|---|---|
| Blade Sovereign Title | Title | 1% | Very Rare |
| Azure Heart | Crafting Material | 0.5% | Very Rare |
| Yamato Essence | Crafting Material | 2.5% | Rare |
| Frozen Will | Crafting Material | 4.25% | Rare |
| Silent Storm | Crafting Material | 3% | Rare |
| Imperial Outfit | Accessory | 0.9% | Very Rare |
Battle Strategy
Yamato is one of the hardest bosses in Sailor Piece. Only attempt with a fully optimized endgame build. Solo runs are extremely punishing — a coordinated group is strongly recommended. Make sure your stats, race, and accessories are all maxed before engaging.
Recommended Stats
- ‣Melee / Sword stat: 2500+ for reliable damage
- ‣Fruit stat: 2500+ if running a Devil Fruit build
- ‣Defense / HP accessories recommended for survival
Location & Respawn
Yamato is located at Judgement Island, in the Endgame Islands zone. This is an endgame zone. You will need high-level stats and gear before travelling here.
Yamato does not spawn freely — this boss must be summoned. Gather the required summoning items from preceding content and use the summoner NPC at Judgement Island to start the encounter. Each summon attempt consumes your items regardless of whether you defeat the boss.
Recommended Level: 5,000+
Players below level 5,000 will deal significantly reduced damage and may struggle to survive the encounter. Reach at least 5,500 for a comfortable fight.
Quick Reference Cards
At a Glance
Quick Overview
Yamato
S+ TierLevel
5000
HP
850,000,000
Difficulty
Extreme
Respawn
Summon only
A powerful summonable boss on Judgement Island with 850M HP (Normal difficulty)....
Tier Position
Ranked #5 of 26 in Bosses
Yamato is in S+ Tier
Drop Table — Yamato
Drop rates are approximate and subject to game updates
Patch History
Patch History
- Huge UpdateLatest
- New S+ Tier Sword: Yamato — long-reaching attacks, tremendous damage. Obtained from bosses on new islands.
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Combat Tips
- ‣Use Armament Haki to deal full damage
- ‣Bring a fruit build for maximum damage output
- ‣Team up for this boss — solo is extremely difficult
- ‣Respawns every Summon only
Location
Last updated: 2026-03-15
Recommended Builds
Boss Synergies
Best Pairings & Synergies
Best Fruits for This Boss
Best Races for This Boss
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Active Codes
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Swords Wiki
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Judgement Island Island
Visit the island where Yamato spawns.