ychara Sailor Piece — Islands
Sea 1 & Sea 2 progression map
Every island in Sailor Piece with level requirement, enemies, bosses and key NPCs. Sea 2 islands require Ascension V + Lv 12,750.
| # | Island | Sea | Lv Req | Bosses | Notes |
|---|---|---|---|---|---|
| 1 | Starter Island | Sea 1 | 0 | — | 1st Ancient Puzzle Piece |
| 2 | Sailor Island | Sea 1 | 0 | Jinwoo (Solo Hunter) Alucard (Vampire King) | Main hub |
| 3 | Jungle Island | Sea 1 | 250 | — | 2nd Ancient Puzzle Piece |
| 4 | Desert Island | Sea 1 | 750 | — | 3rd Ancient Puzzle Piece |
| 5 | Snow Island | Sea 1 | 1,500 | — | 4th Puzzle Piece, 1st Hogyoku Fragment |
| 6 | Shibuya Station | Sea 1 | 3,000 | Gojo (Limitless Sorcerer) Sukuna (Curse King) Yuji (Cursed Vessel) | 5th Puzzle Piece, 2nd Hogyoku Fragment |
| 7 | Boss Island | Sea 1 | 1,500 | Saber Qin Shi Ichigo Gilgamesh (King of Heroes) Blessed Maiden Ice Queen (Frost Boss) Kokushibo (Moon Slayer) | Primary boss hub |
| 8 | Hollow Island (Hueco Mundo) | Sea 1 | 5,000 | — | 6th Puzzle Piece, 3rd Hogyoku Fragment |
| 9 | Dungeon Island | Sea 1 | 5,000 | Shadow (Cid Dungeon) Shadow Monarch (Double Dungeon) | Unlock: 6 Puzzle Pieces + 25 boss kills |
| 10 | Shinjuku Island | Sea 1 | 6,250 | Strongest of Today (Gojo V2) Strongest in History (Sukuna V2) | 4th Hogyoku Fragment |
| 11 | Slime Island | Sea 1 | 8,000 | Rimuru | 5th Hogyoku Fragment |
| 12 | Academy Island | Sea 1 | 9,000 | Anos (Demon King) | Demonite Fragment quest |
| 13 | Tower Island | Sea 1 | 8,500 | — | Tower Tokens → Abyssal Empress, Radiant Rune |
| 14 | Soul Society (Soul Dominion) | Sea 1 | 8,500 | True Aizen | Unlock: 6 Hogyoku Fragments |
| 15 | Judgement Island | Sea 1 | 10,000 | Yamato | 6th Hogyoku Fragment |
| 16 | Ninja Island | Sea 1 | 12,000 | Strongest Shinobi (Madara) | Power Shard farming |
| 17 | Lawless Island | Sea 1 | 12,000 | Atomic Boss (Cid) | Upper Seal farming here |
| 18 | Starter Island (Sea 2) | Sea 2 | 12,750 | — | Relic Parts #1–4 |
| 19 | Bizarre Island | Sea 2 | 13,500 | The World (DIO) | Relic Parts #5–6, Bloodline Stone farming |
| 20 | Punch Island | Sea 2 | 14,500 | Cosmic Being (Garou) | Relic Parts #7–8 |