World Core
Item feed last updated 15 days ago
About World Core
World Core is a boss drop in Sailor Piece. Open-world bosses spawn on 5–8.5 minute timers across islands like Sailor Island, Shibuya Station, Hueco Mundo, Valentine Island, and Ninja Island — while summoned bosses on Boss Island (Ice Queen, Qin Shi, Gilgamesh, Ichigo, Rimuru) require Boss Keys, cash, and gems. The capped supply from boss timers and low drop rates keeps World Core trading at around 400. Stability is holding steady, which usually means trade partners agree on the price and you can negotiate with confidence. Demand is effectively dead — very few traders are actively seeking this item, so expect long wait times or deep discounts.
What is World Core in Sailor Piece?
World Core is a boss-drop reward in Sailor Piece — an item that only enters the game when a specific boss is defeated. Drop rates on most Sailor Piece bosses sit between 0.5% and 5%, which is why World Core carries a community trade value of 400.
How to get World Core
- Defeat the specific boss that drops World Core. Open-world bosses (Sailor Island, Shibuya Station, Hueco Mundo, Valentine Island, Ninja Island) spawn on 5–8.5 minute timers; summoned bosses (Boss Island) require Boss Keys, in-game cash, and gems.
- Drop rates on Sailor Piece bosses typically range from 0.5% to 5%, so expect multiple kills before World Core drops. Stack 2x Drops and 2x Luck game passes to speed this up.
- If farming isn't paying off, trade for it. Current community value is 400 — use the calculator to set up a fair offer.
Market position
Across all 243 items we track for Sailor Piece, World Core ranks #105 by value — sitting in the top-10% legendary bracket. Within Boss Drop, World Core is the 22nd of 93 items ranked by value. The top Boss Drop item, Mana Core, trades at 4.4K — World Core is worth about 9% of that. Closest-valued items on the full board: Galaxy Shard (400), Sjw v2 Set (400), Cid v2 (Full Set) (415). These are the most natural matchups when pricing a trade around 400.
Value history
Not enough value checkpoints yet to draw a history chart.
- 6/22/2026400
Trade suggestions
These items sit within ±15% of World Core's value — useful starting points when pricing a swap.
Frequently asked
What is the current value of World Core?
World Core is currently valued at 400 on the community trading board. Values refresh every 10 minutes on Sailor Piece Trading.
Is World Core rising or dropping?
World Core is holding flat right now — no meaningful change against the last checkpoint.
Is World Core in high demand?
World Core is rated Dead demand (0/10). Expect to sweeten any offer heavily or wait.
What category does World Core belong to?
World Core is a Boss Drop item in Sailor Piece. Browse every Boss Drop item on the category page.
Should I trade World Core?
World Core is priced stable. Use the trade calculator to see if any specific swap is fair before committing.
How does World Core compare to other Boss Drop items?
World Core is the 22nd most valuable of 93 Boss Drop items tracked — it trades at roughly 26.7× the Boss Drop median of 15, placing it in the upper half of the category.
What items are priced similarly to World Core?
The closest-valued items to World Core right now are Galaxy Shard, Sjw v2 Set, Cid v2 (Full Set). These are the most natural swap candidates when negotiating around 400 — a trade in either direction usually needs only a small sweetener to close.