Published: March 25, 2026 
The Jinwoo sword in Sailor Piece is among the best early-game weapons, belonging to the Mythical rarity. However, obtaining it will be useful once you progress to the mid and late-game stages. It is because you can upgrade this weapon and obtain one of the best swords in the game to cut enemies like butter. With that said, this article provides a complete guide on obtaining the Jinwoo Sword in Sailor Piece and how to upgrade it for an OP weapon.
A Complete Guide to Obtaining the Jinwoo Sword in Sailor Piece
To get the Jinwoo sword, you must travel to the Sailor Island and interact with the Solo Hunter Trainer NPC. He will offer five quests that you must complete one after another. You will be able to purchase the sword after completing all the quests. Here are the details:
1. Find the Solo Hunter Trainer NPC
Here are the steps that will lead you to the Solo Hunter Trainer NPC:
- Teleport to the Sailor Island.
- Go towards the Boss Rush leaderboards located on the right side of the island.
- Go towards the right side to the edge of the island to find the NPC.
2. Completing the Quests
Here are the quests and how to complete them:
| Quest No. | Quests | How to Complete |
|---|---|---|
| 1 | Take 15M damage | Receive a total of 15M damage from enemies, bosses, or other players |
| 2 | Kill 750 NPCs | Defeat a total of 750 enemies |
| 3 | Deal 75M damage | Deal a total of 75M damage to enemies, bosses, or other players |
| 4 | Kill 35 players | Defeat a total of 35 players in PvP battles |
| 5 | Kill the Solo Hunter boss 15 times | - The boss has a spawn timer of 8 minutes and 30 seconds - It takes turns with the Vampire King boss - The boss has 6M HP |
Completing the quests will require plenty of time. It requires killing lots of enemies and killing the boss multiple times. You can check out our Sailor Piece tier list for the best swords, fruits, and more for the best build to complete the quest quickly.
3. Purchasing the Jinwoo Sword
After completing the Solo Hutner Trainer NPC's questline, you will unlock the ability to purchase the sword. Here are the items required to purchase it and how to get them:
| Required Items | How to Get |
|---|---|
| 25M Cash | Obtain by completing quests, killing enemies, and performing other in-game activities |
| 7.5k Gems | Obtain by completing quests, defeating bosses, enemies, and performing other in-game activities |
| 6 Abyss Edge | 17.5% drop rate from the Solo Hunter boss |
| 3 Dark Ring | 7% drop rate from the Solo Hunter boss |
| 1 Shadow Heart | 2% drop rate from the Solo Hunter boss |
Stats of the Jinwoo Sword
Here are the Jinwoo sword's moves and damage:
| Moves | Damage | Cooldown |
|---|---|---|
| M1 | 257.657k | N/A |
| Z | 630.028k | 4.7 seconds |
| X | 858.856k | 6.3 seconds |
| C | 1.855M | 11.1 seconds |
| V | 3.55M | 27.1 seconds |
That's how you get the Jinwoo sword in Sailor Piece. You can upgrade it to obtain one of the best swords in the game, Shadow Monarch. In the next section, you can find a guide to obtaining the Shadow Monarch.
How to Upgrade Jinwoo Sword into Shadow Monarch
You must find the Shadow Monarch Trainer NPC on the Dungeon Island to upgrade the Jinwoo sword into Shadow Monarch. Upgrading the sword requires submitting various items. Here are the details:
| Required Items | How to Get |
|---|---|
| 10 Monarch Core | 6.75% to 12% drop chance from the Shadow Monarch boss (Located at the Boss Island) |
| 5 Monarch Essence | 2.75% to 6.5% drop chance from the Shadow Monarch boss |
| 2 Kamish Dagger | 0.75% to 1.4% drop chance from the Shadow Monarch boss |
| 1 Shadow Crystal | 2.75% to 6.5% drop chance from the Shadow Monarch boss |
| King of Shadows Title | 0.8% to 1.15% drop chance from the Shadow Monarch boss |
That concludes our guide on getting the Jinwoo sword in Sailor Piece. Bookmark our Sailor Piece wiki and get updated guides and information about the experience.
