Here’s the guide to getting the Kokushibo (Moon Slayer) melee spec in Sailor Piece. I have also shared how to grind for materials required to obtain Kokushibo (Moon Slayer).
Sailor Piece Kokushibo (Moon Slayer)
Kokushibo (Moon Slayer) is a high-DPS melee spec in Sailor Piece. It was added in the Moon Update released on March 31st, 2026. For its latest rankings, please head to our Sailor Piece tier list.
How to Get Moon Slayer in Sailor Piece
You can obtain Kokushibo (Moon Slayer) from Kokushibo Trainer who resides on the boss island. Interact with him and a prompt will appear with the option to buy Kokushibo (Moon Slayer).
Requirements to Get Kokushibo (Moon Slayer) from Kokushibo Trainer
The Kokushibo Trainer at Boss Island will ask for the following items:
- Six-Eyed Demon Title
- 1 Moon Crest
- 4 Crescent Shards
- 9 Lunar Essences
- 16 Demon Remnants
- 25 Upper Seals
Six-Eyed Demon Title
- The title Six-Eyed Demon grants a massive 85% DMG boost
- You can obtain this title by defeating the Moon Slayer boss – 0.7% to 1.25% chance [Pity: 155]
Moon Crest
- 1 Moon Crest is required to get the Kokushibo (Moon Slayer) Spec from the Kokushibo trainer
- You can obtain the Moon Crest by defeating the Moon Slayer Boss – drop rate is low (0.28% to 0.55%)
Crescent Shard
- 4 Crescent Shards are among the material requirements to get the Kokushibo (Moon Slayer) Spec from the Kokushibo trainer
- You can obtain the Crescent Shards by defeating the Moon Slayer Boss – drop rate is low (0.65% to 1%)
Lunar Essence
- 9 Lunar Essences are among the material requirements to get the Kokushibo (Moon Slayer) Spec from the Kokushibo trainer
- You can obtain the Lunar Essence by defeating the Moon Slayer Boss (2.85% to 4.5%)
Demon Remnants
- 16 Demon Remnants are among the material requirements to get the Kokushibo (Moon Slayer) Spec from the Kokushibo trainer
- You can obtain the Demon Remnants by defeating the Moon Slayer Boss (8.25% to 12.5%)
Upper Seal
- You will need 25 Upper Seals
- Defeat regular NPCs other than bosses (the higher the HP, the higher the chances) to get the Upper Seal
- The drop rate is not specified, but it’s very low and I recommend targeting the NPCs that have high HP
Once you have all these items and the Six-Eyed Demon title, head to Kokushibo Trainer on the Boss Island and buy the Kokushibo (Moon Slayer) Spec.
That’s it for now in this post on how to get the Kokushibo (Moon Slayer) in Sailor Piece.
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