Ice Queen

The Ice Queen stands as one of the most formidable summonable bosses in Sailor Piece's First Sea, stationed on Boss Island and requiring a deliberate trip to the summoner to bring her into play. With 1.65 billion HP, she sits well above most Sea 1 encounters and demands either a strong crew or exceptional individual power to take down reliably. She is not a world-spawn you stumble into — you choose to fight her, which means every attempt is intentional and every death is costly.

Her loot table makes the journey worthwhile. Race Reroll and Boss Ticket drop at 100%, guaranteeing reroll currency and further boss attempts on every clear. Trait Reroll follows at 80%, making her one of the most efficient sources of player-customization materials in the early-to-mid game. The rarer end of her table holds Glacier Remnant at 5.37%, the Ice Queen Outfit accessory at 1.42%, the Frost Brand weapon at 1.21%, the coveted Frost Empress Title at 0.65%, and the Ice Core at 0.53%.

For practical farming, focus on clearing her quickly enough to chain summons — the guaranteed rerolls alone justify repeated runs, and the Frost Brand is a meaningful weapon upgrade if you haven't obtained one elsewhere. Bring your best gear; her 1.65B pool will punish underprepared builds.