
Monarch Core
Item feed last updated 2 months ago
About Monarch Core
Monarch Core is one of the boss-locked rewards in Sailor Piece. The community board currently places its value at 1, reflecting consensus from recent completed trades between players. 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 Monarch Core in Sailor Piece?
In Sailor Piece, Monarch Core is a drop from a specific boss encounter. Because boss spawns are time-gated (open-world bosses respawn on 5–8.5 minute timers, summoned bosses require keys and gems), supply is naturally rationed and Monarch Core holds its value of 1.
How to get Monarch Core
- Defeat the specific boss that drops Monarch 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 Monarch 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 1 — use the calculator to set up a fair offer.
Market position
Across all 243 items we track for Sailor Piece, Monarch Core ranks #220 by value — sitting in the top-10% legendary bracket. Within Boss Drop, Monarch Core is the 89th of 93 items ranked by value. The top Boss Drop item, Mana Core, trades at 4.4K — Monarch Core is worth about 0% of that. Closest-valued items on the full board: Raid Key (1), Crystal Key (1), Clan Reroll (1). These are the most natural matchups when pricing a trade around 1.
Value history
Not enough value checkpoints yet to draw a history chart.
- 7/17/20261
Trade suggestions
These items sit within ±15% of Monarch Core's value — useful starting points when pricing a swap.
Frequently asked
What is the current value of Monarch Core?
Monarch Core is currently valued at 1 on the community trading board. Values refresh every 10 minutes on Sailor Piece Trading.
Is Monarch Core rising or dropping?
Monarch Core is holding flat right now — no meaningful change against the last checkpoint.
Is Monarch Core in high demand?
Monarch Core is rated Dead demand (0/10). Expect to sweeten any offer heavily or wait.
What category does Monarch Core belong to?
Monarch Core is a Boss Drop item in Sailor Piece. Browse every Boss Drop item on the category page.
Should I trade Monarch Core?
Monarch Core is priced stable. Use the trade calculator to see if any specific swap is fair before committing.
How does Monarch Core compare to other Boss Drop items?
Monarch Core is the 89th most valuable of 93 Boss Drop items tracked — it trades at about 7% of the Boss Drop median of 15, which puts it in the lower half.
What items are priced similarly to Monarch Core?
The closest-valued items to Monarch Core right now are Raid Key, Crystal Key, Clan Reroll. These are the most natural swap candidates when negotiating around 1 — a trade in either direction usually needs only a small sweetener to close.




