One Piece Treasure Cruise Wiki
One Piece Treasure Cruise Wiki
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Mermaid Under Siege Sirahoshi Banner
Quest Boss Difficulty Conditions Notable Captures/Drops
Mermaid Under Siege: Whimpering
F1598

F1597

F1599

Rookie
N/A
F1596

F1598

F1599









Oars Ball Manual


Mermaid Under Siege: Sniffling
F1598

F1597

F1599

Veteran
N/A
Mermaid Under Siege: Sobbing
F1598

F1597

F1599

Elite
N/A
Mermaid Under Siege: Bawling
F1598

F1597

F1599

Expert
N/A
Difficulty/Stamina
Battles
Experience
Beli
Title
Rookie
10
7
1260
6325
-
Veteran
15
7
2375
11850
-
Elite
20
7
3440
17260
Not My Type
Expert
30
7
5775
28875
Cry-Baby Princess

Notes[]

  • Limited-Time Event.
  • 1 Rainbow Gem will be received upon clearing all difficulties.
  • All difficulties have a chance to drop Manuals and Bosses.
  • The higher the difficulty level, the higher the chances of getting Manuals and Bosses Wanted Posters to drop.

How to Beat Mermaid Under Siege[]

FAQs[]

General Information[]

Shirahoshi's Wanted Poster does not drop on the boss stage, however she will appear during the secret stage where her Wanted Poster will drop.

Recommended Captains[]

Recommended Support Units[]

Recommended Sockets[]

No particular sockets are needed.

Recommended Teams[]

F2P PSY Team
Captain Subs Friend Ship
F1549 F1163F0865F0546F0263 F1549 Thousand Sunny
Requirements
  • Level 50s-60s is plenty for all your characters to beat the boss stage in 1 turn
  • Robin can be replaced with a higher PSY ATK booster if all your subs have a low enough CD.
  • Eneru and Coby can be replaced with better boosters if you have them.
  • Tesoro's special may not be necessary on the boss stage because of the increased chances of landing on PSY orbs.
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