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Sailor Piece
Sailor Piece

Map Piece Tracker

Track all 7 Map Pieces for the Sea 2 unlock — boss pools, islands, and farming tips

Map Piece Progress
0 of 7 collected·7 remaining·Last verified 2026-04-20
0/7
Sea 2 unlock
How Map Pieces work
  • 7 Map Pieces needed to unlock Sea 2
  • Each piece has a fixed pool of bosses — kill any one in the pool to roll for that piece
  • Drops are random; expect multiple kills per piece
  • Luck stat does NOT affect Map Piece drops — focus on damage to kill faster
  • Open-world bosses only — Boss Rush, Infinite Tower, and Dungeon bosses do not drop Map Pieces
  • At 6/7, talk to the Cartographer on World Island to see which piece you’re missing
Check off pieces as you collect them — progress saves automatically.
Map Piece #1
2 bosses
Saber
SaberConfirmed
Excalibur
📍 Boss Island❤ 2.5M⏱ Summoned (Boss Key)
Yuji
YujiConfirmed
Cursed Vessel
📍 Shibuya Station❤ 3.75M⏱ Open-world, 5 min respawn
Map Piece #2
2 bosses
💡 Map #2 drops fastest on empty public servers. Private servers technically work but are much slower for this piece specifically — consider server-hopping if stuck.
Gojo
GojoConfirmed
Limitless Sorcerer
📍 Shibuya Station❤ 4M⏱ Open-world, 7m 30s respawn
Sukuna
SukunaConfirmed
Curse King
📍 Shibuya Station❤ 5M⏱ Open-world, 7m 30s respawn
Map Piece #3
2 bosses
Jinwoo
JinwooConfirmed
Solo Hunter
📍 Sailor Island❤ 6M⏱ Open-world, 8m 30s respawn
Qin Shi
Qin ShiConfirmed
📍 Boss Island❤ 10M⏱ Summoned (Boss Key)
Map Piece #4
2 bosses
Alucard
AlucardConfirmed
Vampire King
📍 Sailor Island❤ 20M⏱ Open-world, 5 min respawn (after Jinwoo)
Anos
AnosConfirmed
Demon King
📍 Academy Island❤ 350M–6.5B⏱ Summoned (Calamity Seal, Easy–Extreme)
Map Piece #5
2 bosses
Aizen
AizenConfirmed
Manipulator
📍 Hollow Island❤ 25M⏱ Open-world, 7m 30s respawn
Rimuru
RimuruConfirmed
Slime
📍 Slime Island❤ 200M–3.5B⏱ Summoned (Slime Key, Easy–Extreme)
Map Piece #6
3 bosses
Ichigo
IchigoConfirmed
Soul Reaper
📍 Boss Island❤ 65M⏱ Summoned (Boss Key)
Blessed Maiden
📍 Boss Island❤ 650M–10B⏱ Summoned (Tempest Relic, Easy–Extreme)
Strongest of Today
📍 Shinjuku Island❤ 125M–2B⏱ Summoned (Limitless Key, Easy–Extreme)
Map Piece #7
2 bosses
Gilgamesh
GilgameshConfirmed
King of Heroes
📍 Boss Island❤ 300M–5B⏱ Summoned (Divine Grail, Easy–Extreme)
Strongest in History
📍 Shinjuku Island❤ 150M–2.5B⏱ Summoned (Malevolent Key, Easy–Extreme)