セイレン

• Brave New World - If the player also has [トライデント] or [サイボーグ レッグ] , while Siren is held, a fish companion follows the player that can block bullets and shows contents of chests without opening them.
• Bubble Trouble - If the player has [バブルブラスター] , Siren will fire a single large shot that deals 18 damage, and [バブルブラスター] 's shots home in on enemies.
• Iron Stance - If the player has [ヘビーブーツ] , increases Siren's damage and knockback by 20%, increases shot speed by 50%, and decreases reload time by 20%.
• Siren Sidearm - If the player also has [バレル] , the first shot of every Siren magazine fires two fish, and every [バレル] shot fires a Siren water bullet.
• The Siren is in the SHOTGUN gun class , and as such benefits from the Shotgun Affinity synergy.

• Removed: - If the player has [サイボーグ レッグ] , Siren receives a 25% damage boost. Replaced with Brave New World .
• A Siren is a mythical creature that lures sailors to their doom, often portrayed as a mermaid.
• The Brave New World may be a reference to the DC Comic Superhero "Aquaman" who rules an underwater kingdom, wields a trident as a symbol of authority, and has a prosthetic hand.
• It is also a reference to the animated Disney film "The Little Mermaid", as the titular mermaid Ariel trades her voice for legs, her father Poseidon wields a trident, and the fish companion summoned by the synergy resembles Ariel's companion, Flounder. Additionally, Ariel sings a song titled "Part of Your World", alluded to in the synergy's name, "Brave New World". The gun is also colored the same as Ariel, with a green bottom (stock / tail) and purple top (foregrip / bikini).

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