Sailor Piece Tier List
Sailor Piece Wiki

Dungeons & Boss Fights

Every dungeon, world boss drop table, and rune guide in one place. Know exactly which boss to farm and what to expect.

Dungeons Runes World Bosses Mini Bosses
Required Level
5,000+
Speak to Dungeons NPC at Dungeon Island
Dungeon Key
1 per run
Each dungeon run consumes 1 Dungeon Key
Waves per Dungeon
15 waves
Boss spawns after all waves are cleared
Best Rune
Wrath Rune
+59% DMG at max level

Dungeons

Unlock at Lv.5,000 by collecting 6 Ancient Pieces. Higher difficulty = tankier NPCs + better drops.

Shadow Dungeon

15 waves · 4 difficulty levels

The primary end-game dungeon. Higher difficulty means tankier NPCs and better drop rates. Boss drops include Shadow Cloak and materials for Shadow Monarch sword.

Difficulties
EasyMediumHardExtreme
Key Rewards
  • Atomic Core (0.75%–3%)
  • Shadow Cloak (0.85%–2.5%)
  • Shadow Crystal (0.5%–1%)
  • Kamish Dagger (0.75%–1.4%)

Rune Dungeon

15 waves · 4 difficulty levels

The Rune farming dungeon. Every clear adds 1 XP toward your Rune Level, unlocking stronger multipliers. Run in 3–5 clear loops for efficiency.

Difficulties
EasyMediumHardExtreme
Key Rewards
  • Suppression Rune
  • Guardian Rune
  • Frost Rune
  • Destruction Rune

Double Dungeon

15 waves · 4 difficulty levels

Advanced dungeon mode. Requires Dungeon Key to enter. Drops from this dungeon support end-game progression.

Difficulties
EasyMediumHardExtreme
Key Rewards
  • Rare materials
  • Boss drops

Dungeon Tips

→Enable Auto Retry Dungeon in settings for efficient farming.
→Farm in batches of 3–5 runs to maximize Rune Level XP gain.
→Higher difficulty = higher drop chance. Push to Extreme when possible.
→Stack Luck title/trait before dungeon runs for better drops.
→Visit Dungeon Shop at Dungeon Island for exchange items.
→Get the 6 Ancient Pieces first (Lv.5,000 quest) to unlock dungeons.

Runes

All runes drop from the Rune Dungeon. Equip via Inventory → Rune tab. Level up by farming more dungeon runs.

Leveling formula

Rune Level = Total Rune Dungeon Clears

Every dungeon clear adds +1 to your Rune Level progression. Higher Rune Level unlocks stronger passive multipliers from every equipped Rune.

How to equip
Inventory → Rune tab
XP per clear
1 XP per Rune drop
Source Level Req Quality
Rune Dungeon5,000Standard
Tower IslandLate-gameRare
Rune Tier Base Effect Max Effect Status
Wrath Rune S +40% DMG (1.4x) +59% DMG (1.59x) —
Destruction Rune A +25% DMG (1.25x) +37% DMG (1.37x) —
Fortune Rune A Luck bonus Higher luck bonus —
Inferno Rune A Burn: 70% DMG for 4s Burn: 104% DMG for 4s Burn
Blood Rune A Bleed: 65% DMG for 5s Bleed: 97% DMG for 5s Bleed
Frost Rune B Freeze 2s + 30% DMG Freeze 3s + 44% DMG Freeze
Guardian Rune B +39% Max HP (1.39x) +59% Max HP (1.59x) —
Suppression Rune B 10% DMG Reduction 15% DMG Reduction —

World Boss Drop Tables

All world boss drops with exact drop rates. Use pity system (deal 24/25 attempts) before claiming drops.

Saber

Boss Island
HP
2.5m
  • Boss Ticket 100%
  • Saber Armor 5%

Sung Jin Woo (Jinwoo)

Sailor Island · Spawns every 7m 30s
  • Dark Ring (Abyss Edge) 7%
  • Jinwoo Cape 3%
  • Shadow Sword Materials Various

Gojo (Limitless Sorcerer)

Shibuya Station · Spawns every 7m 30s
  • Limitless Ring 8%
  • Void Fragment 20%
  • Gojo Blindfold 5%

Sukuna

Shibuya Station · Spawns every 7m 30s
  • Cursed Finger 20%
  • Sukuna Collar 4%

Yuji

Shibuya Station
  • Energy Core 25%
  • Yuji Hair 5%

Aizen

Hueco Mundo
  • Hogyoku Fragment 1.2%
  • Aizen Haori 4%

Qin Shi

Boss Island / Aizen Island
  • Imperial Seal 2%
  • Qin Shi Blindfold 2.5%

Shadow (Dungeon)

Shadow Dungeon
  • Atomic Core 0.75%–3%
  • Shadow Cloak 0.85%–2.5%
  • Shadow Crystal 0.5%–1%
  • Kamish Dagger 0.75%–1.4%

Alucard

Sailor Island (alternates with Jinwoo)
  • Blood Ring 2%
  • Casull 2%
  • Vampire King Title 2.5%, Pity: 50

Strongest Of Today

Shinjuku Island
  • Infinity Essence 0.65%–0.9%
  • Gojo Haori 1.25%–2%
  • Strongest Sorcerer Title 1%–1.5%, Pity: 125

Strongest In History

Shinjuku Island
  • Cursed Flesh 0.65%–0.9%
  • Divine Wheel 1.25%–2%
  • Disgraced One Title 1%–1.5%, Pity: 125

Ichigo

Boss Island
  • Soul Flame 0.7%
  • Hollow Mask 2%
  • Soul Reaper Title 1%–1.5%, Pity: 135

Rimuru

Slime Island
  • Slime Core 0.55%–0.80%
  • Slime Wings 1.25%–2%
  • Demon Lord Title 0.9%–1.35%, Pity: 150

Gilgamesh

Boss Island
  • Phantasm Core 0.5%–0.75%
  • Golden King Title 1%–1.5%, Pity: 125

Shadow Monarch (SJW V2)

Starter Island
  • Shadow Crystal 0.5%–1%
  • Kamish Dagger 0.75%–1.4%
  • King Of Shadows Title 0.8%–1.15%, Pity: 140

Anos

Boss Island
  • Anos-related materials Various
  • Demon King Title 1%–1.5%, Pity: 115

Madoka

Valentine Island
  • Pink Gem 0.75%
  • Ultimate Wings 1.5%
  • Star Maiden Title 1.2%, Pity: 115

Ragna

Christmas Island · Spawns every 5 min
  • Black Frost 9%
  • Ragna Sigil 2%
  • Dragon Slayer Title 2%, Pity: 85
Pity system tip: Each boss has a pity counter. When you reach 24/25 kills without a drop, your next kill guarantees the item. Use Boss Keys from quest completion to spawn bosses faster and hit pity efficiently.

Island Bosses (Mini Bosses)

Boss Location Level Notes
Thief Boss Starter Island Lv.25 Drops Boss Key (low chance from quest)
Monkey Boss Jungle Island Lv.500 Drops Boss Key (low chance from quest)
Desert Boss Desert Island Lv.1,000 Drops Boss Key (low chance from quest)
Winter Warden Snow Island Lv.2,000 Drops Boss Key (low chance from quest)
Panda Sorcerer Shibuya Station Lv.5,000 Drops Boss Key (low chance from quest)

Related guides

Check the detailed guide for Ancient Pieces (dungeon unlock) and the Runes leveling guide in our guides library.

Unlock Dungeons Guide Rune Leveling Guide Gear & Accessories