Azure Heart is one of the rarest materials required for Ascension 9 in Sailor Piece. This guide provides the fastest farming locations, updated 2026 drop rates, and a full breakdown of Ascension 9 requirements to help you master the endgame.
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What is Azure Heart in Sailor Piece?
Azure Heart is a rare boss drop material introduced in the April 2026 Moon Update. It's required for Ascension 9, which is one of the two newest ascension tiers added to the game (ascension 9 is the prerequisite for the final Ascension 10 tier). Without it, you can't unlock the final tier of permanent stat buffs.
The item only drops from one specific boss. This makes farming it a focused but repetitive task. Unlike some materials that have multiple sources, Azure Heart forces you to camp at a single spawn point. Afterwards, you have to fight the same boss over and over until RNG finally favours you.
That said, the buffs from Ascension 9 are substantial. You get increased gem gain and luck bonuses that stack with previous ascension levels. Azure Heart is non-negotiable if you care about maximising efficiency in boss farming and dungeon clearing. To make things easier, Sailor Piece items can save you time when you need gems or cash.
How to Get Azure Heart (2 Main Methods)
There are technically two sources for Azure Heart in Sailor Piece, though one is far more reliable than the other. Here's how to farm it.
Method 1: Farm Vergil Boss at Judgment Island (Primary Method)
Vergil is the main source of Azure Heart. He spawns automatically at Judgment Island every 6 minutes and 30 seconds. This is the most consistent way to farm the item. However, the drop rate is extremely low.
1. Use the teleport portal on any island dock to travel to Judgment Island.
2. Afterwards, head to the mountainous area where Vergil spawns.
3. Defeat Vergil there. He has high HP and a dangerous moveset, so bring a strong build.
4. Wait for the 6-minute 30-second respawn timer and repeat.
Drop Rate: 0.5% chance per kill.
That's 1 in 200 kills on average. Some players get it within 20 attempts. Others go 300+ runs without seeing it drop. RNG is unforgiving here.
On the flip side, Vergil also drops other valuable materials like Frozen Will (4.25%), Yamato Essence (2.5%), and Silent Storm (1.15%). Even if Azure Heart doesn't drop, you're still collecting useful items for other progression goals.
Method 2: Farm Yamato Boss at Judgment Island (Alternate Method)
Some sources mention Yamato as an alternate boss that drops Azure Heart at a 0.53% rate. Yamato also spawns on Judgment Island with similar respawn mechanics.
However, most recent guides confirm that Vergil is the primary and more reliable source. Yamato's Azure Heart drop may have been patched or replaced depending on game updates. If you're farming specifically for Ascension 9, focus on Vergil first.
Pro Tip: While farming for Azure Heart at Judgment Island, don't forget you also need the Evolution Fragment from the Shadow Dungeon. Farming these two simultaneously during boss respawn timers will save you hours of endgame grind.
Comparison Table:
| Boss | Location | Drop Rate | Respawn Timer | Other Notable Drops |
| Vergil | Judgment Island | 0.5% | 6 min 30 sec | Frozen Will, Yamato Essence |
| Yamato | Judgment Island | 0.53% | 6 min 30 sec | Silent Storm, Yamato Essence |
Vergil is recommended for solo players due to consistent spawns, while Yamato is often used for multi-material farming.
How to Use Azure Heart in Sailor Piece: Completing Ascension 9
Azure Heart is one of the required materials for Ascension 9. You can't progress to this tier without it. Here's how to complete the ascension process once you've farmed the necessary items.
Ascension 9 Requirements:
To trigger the Ascension button, you must meet the following estimated thresholds. Note that these may scale slightly based on your current server version:
- Level Requirement: Generally requires Level 15,000+ (check with the Ascension NPC for exact number).
- NPC Kills: A massive grind of 5,000+ NPC defeats (Accumulated automatically).
- Total Damage: Requires reaching the 500 Billion damage dealt milestone.
- Dungeon Clears: You must complete 10x Rune or Shadow Dungeons on Hard difficulty.
- Materials: 1x Azure Heart (From Vergil/Yamato) + 1x Evolution Fragment (Found in Rune/Shadow Dungeon Chests)
Where to Ascend:
1. Teleport to Sailor Island using any dock portal.
2. Enter the temple area and turn left.
3. Interact with the Ascension Master NPC (looks like Killua from Hunter x Hunter).
4. Review your progress and requirements.
5. If all requirements are met, click the Ascend button.
The NPC shows your progress in real time. Requirements like NPC kills, boss defeats, and damage dealt accumulate automatically as you play. The only items consumed during ascension are the rare materials like Azure Heart and Evolution Fragment.
Ascension 9 Buffs:
While exact buff numbers for Ascension 9 haven't been fully detailed yet, previous tiers grant:
- +10% Gem Gain
- +5% Luck
Ascension buffs stack, so by the time you hit tier 9, you're looking at massive permanent bonuses to farming efficiency, drop rates, and resource generation.
How to Get Boss Tickets Fast
Boss Tickets are essential for summoning certain high-tier bosses in Sailor Piece. While Azure Heart doesn't require tickets (Vergil and Yamato spawn automatically), you'll need tickets for other endgame materials.
Best Sources for Boss Tickets:
- Vergil Boss: 70% drop rate on Boss Tickets (one of the best sources in the game)
- World Bosses: Many open-world bosses drop tickets at varying rates
- Dungeon Clears: Shadow and Rune Dungeons reward tickets on completion
- Codes: Redeem active Sailor Piece codes for free tickets
Farm Vergil not just for Azure Heart but also to stockpile Boss Tickets for future summons. This dual-purpose farming makes Judgment Island one of the most efficient late-game zones.
Best Build to Farm Azure Heart
Speed matters when you're farming a 0.5% drop. The faster you can kill Vergil, the more attempts you get per hour. Here's what works best.
Recommended Setup:
- Stats: Max out Sword or Devil Fruit damage depending on your playstyle. HP is secondary but helpful for survivability.
- Devil Fruits: High-damage fruits with fast cooldowns are ideal. AOE abilities help clear Vergil quickly.
- Accessories: Equip items that boost damage output or cooldown reduction.
- Runes: Use offensive runes that increase DPS.
- Haki: Make sure you have Haki unlocked and trained for bonus damage.
Farming Strategy:
- Solo if your build can one-cycle Vergil. This maximizes drop eligibility.
- Group farming works if you're undergeared. However, make sure you deal at least 10% of the boss's HP to qualify for loot.
- Use cooldown reduction buffs to spam abilities faster.
- Bring healing items or fruits with self-sustain to minimize downtime.
Some players prefer swords for consistent damage. While others rely on Devil Fruits for burst potential. Test both and see which lets you kill Vergil fastest.
Is Azure Heart Worth Farming?
Azure Heart is only worth farming if you're committed to endgame progression. If you're still in the mid-game or haven't completed earlier ascensions, focus on those first.
When to Farm Azure Heart:
- You've completed Ascension 1-8.
- You have a strong build that can kill Vergil in under 2 minutes.
- You want the permanent buffs from Ascension 9 for long-term efficiency.
- You're already farming Judgment Island for other materials.
When to Skip It:
- You're not yet level 10,000+ and haven't unlocked late-game content.
- Your build can't kill Vergil efficiently (you'll waste hours for no progress).
- You don't care about min-maxing stats and are playing casually.
The drop rate is punishing. However, the permanent gem and luck buffs compound over time.
Conclusion
Azure Heart is a rare endgame material required for Ascension 9 in Sailor Piece. It drops primarily from Vergil at Judgment Island with a 0.5% chance per kill.
You should focus on increasing your damage output. Try to use the 6-minute 30-second respawn timer wisely and stockpile Boss Tickets while you farm. Collect Azure Heart and the other required materials. When you are ready, head to Sailor Island and ascend through the Ascension Master NPC. Good luck, and may RNG be in your favor.
