Dust is the only upgrade currency for Artifacts in Sailor Piece, and the only way to earn it is by deleting Artifacts you no longer need. Once you understand the full loop, it becomes one of the easiest progression systems in the game. Here is everything you need to know.
The core loop: Unlock Artifacts on Snow Island → Farm Shinjuku Island or Lawless Island → Auto-delete low-rarity drops → Upgrade good Legendaries with the Dust earned → Claim Milestone rewards for better drop rates over time.
Step 1 — Unlock the Artifacts feature
Head to Snow Island and find the Artifacts NPC (sometimes called the Artifact Master). She is not at the main portal. Walk a short distance into the village area, past the igloos and snowman, and you will find her near the trees and logs by the second igloo. The Artifact Milestone NPC stands directly next to her, so note that location now to avoid extra trips later.
To unlock the feature, you need to meet all three requirements below and pay the one-time fee. Artifacts will not drop at all before you do this.
Level required
2,500
Gold required
500,000
Gems required
500
Note: After unlocking, you do not need to return to the NPC just to manage your gear. Open your Inventory and navigate to the Artifacts tab to view, equip, upgrade, and delete Artifacts from anywhere. You only need the NPC for the initial unlock and to claim Milestone rewards.
Step 2 — Farm Artifacts to build your supply
Every enemy drops Artifacts, including regular mobs, mini-bosses, and world bosses. However, not all farming spots are equal. The table below shows every set, where it drops, and how useful it is in the current meta.
| Artifact set | Drop locations | Priority | Notes |
| Ashen Chronicles | Jungle Island, Starter Island | Low | Early-game only |
| Crownless Regalia | Desert Island, Snow Island | Mid | Balanced general set |
| Black Horizon | Shibuya Station, Hollow Island | Mid | Solid Crit set |
| Void Reaver | World bosses — Shibuya Station (Cursed Vessel 35%, Limitless Sorcerer 41%, Cursed King 45%), Hollow Island (Manipulator 70%), Judgement Island (Yamato 100%) | Good | Higher Legendary chance from bosses; strong Crit/Damage |
| Celestial Rupture | Shinjuku Island, Slime Island, Soul Dominion, Academy Island, Judgement Island | High volume | Easiest to mass-farm; strong DPS and Lifesteal bonuses |
| Abyssal Crown | Ninja Island, Lawless Island | S-tier (meta) | Current best set for burst DPS builds in the 2026 meta |
Best farming tips
Quake Fruit positioning
Stand in the top-right corner of the Shinjuku Island platform to hit two mob packs simultaneously with the Quake C-move. This clears far more than 10 mobs per cast at optimal angles and enables semi-AFK farming.
Stat reset for one-shots
Reset your stats and invest everything into Power before farming Shinjuku. This ensures you one-shot every mob and keep your rotation fast.
Luck stacking
Stack Luck through your species (Kitsune), Rune (Fortune Rune), and Clan (Monarch) to significantly improve Epic and Legendary drop rates during your farm sessions.
Rotate your spots
Use Shinjuku for raw volume (Celestial Rupture) and Lawless/Ninja Island for quality drops (Abyssal Crown). Rotate based on whether you need Dust or a specific set piece.
Step 3 — Delete Artifacts to earn Dust
Dust is the direct byproduct of deleting Artifacts. It is non-tradeable and does not appear in your regular inventory. You can only see your current Dust total inside the Artifact Upgrade menu. Here is how to delete pieces and convert them into Dust.
- Open the Artifacts interface (Inventory → Artifacts tab) or speak to the NPC on Snow Island.
- Select the Artifact you want to remove and press the trash (delete) button in the bottom-right corner.
- Confirm the prompt. This action is permanent— there is no undo.
- Your Dust total updates immediately inside the Upgrade menu.
Dust yield by rarity: Legendary Artifacts give the most Dust when deleted (roughly 24 Dust for a non-upgraded Legendary). Common, Rare, and Epic pieces give substantially less. This is why only Legendaries are worth upgrading — everything else feeds the Dust pool.
Save time with Auto Delete
Use the Mass Options trash button for bulk deletions. More importantly, configure Auto Delete Settings to automatically remove Common, Rare, and Epic Artifacts as they drop during farming. This way, you only ever land Legendaries in your collection and never have to sort manually after a long Shinjuku session.
Step 4 — Upgrade your Artifacts with Dust
Select any Artifact from the interface and press the blue upgrade button. Each piece caps at level 15, costing a total of 287 Dust. Upgrading strengthens the main stat and also unlocks sub-stats on the piece.
Main stat by slot
| Slot | Main stat options | Priority |
| Helmet | Defense or Flat Defense | Defensive |
| Body | Any stat (most flexible slot) | Flexible |
| Gloves | Damage only (incl. Crit Chance and Crit Damage) | Top DPS priority |
| Boots | Damage, Defense, Flat Defense, or Damage Reduction | Situational |
Sub-stat ranges
| Sub-stat | Minimum | Maximum |
| Crit Chance | 6% | 10.5% |
| Crit Damage | 11% | 18% |
| Damage | 4% | 9% |
| Defense | 8% | 15% |
| Flat Defense | 20,000 | 50,000 |
| Damage Reduction | 2% | 4% |
| Lifesteal | 0.5% | 1.5% |
| HP Regen | 7.5% | 15% |
Upgrade priorities (widely recommended)
Only upgrade Legendary pieces. Everything else is Dust fuel.
Ideal sub-stat rolls to aim for: Crit Chance → Crit Damage → Damage.
Always push toward a full 4-piece set — the 4-piece bonus is significantly stronger than the 2-piece bonus and is what unlocks the set’s full potential.
Refund mechanic: Selling a maxed Legendary returns 96 Dust (33.8% of 287). Use this to recycle pieces when you upgrade your set or swap builds.
Artifact Milestone rewards
Every Artifact you collect adds 1 XP to your Milestone track, which caps at level 40. Higher Milestone levels increase your chance of receiving Epic and Legendary drops, making this one of the strongest long-term reasons to keep farming volume even after your build feels complete.
Speak with the Artifact Milestone NPC on Snow Island (she stands right next to the Artifacts NPC) and click any crossed levels to claim your rewards. These include free Race Rerolls, Trait Rerolls, Haki Colour Rerolls, and Clan Rerolls, among other exclusive bonuses.
Artifact rarities at a glance
| Rarity | Worth upgrading? | Best use |
| Common | No | Delete immediately for Dust |
| Rare | No | Delete for Dust |
| Epic | Rarely | Delete unless no Legendary is available |
| Legendary | Yes | Upgrade to max (287 Dust); recycle bad rolls |
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