Vile Siren
The song rotted through. What's left doesn't lure you in — it drags you under.
Hidden boss
Corrupted form
Tracking
The Siren's hidden corrupted form — a separate boss with her own skin, her own moves, and more than 16× the health. She layers summons and fields until there's no safe place to rest your crosshair.
Combat
| Boss HP | 25,000 |
| Time limit | 5:00 |
| Weak spot | Head — ×1.5 damage |
| Clear reward | Siren Chest + 800 Hunting XP |
Attacks
| Attack | Type | Damage |
|---|---|---|
| Manta rays (2 × 250 HP) | Click | 35 |
| Gridshot clump (15) | Click | — |
| DoT field (8 pods) | Tracking | DoT |
| Lateral curve balls | Tracking | 12 |
| Charm song (5 statics) | Tracking | 22 |
| Burst volley (7) | Click | 14 |
| Swim balls (3–4) | Tracking | 10 |
Quirks Immune to poison. The Slime Kunai venom does nothing to her — only its raw damage counts. She's also immune to all damage during her gridshot, DoT-field and swarm phases, so don't waste throws until she's vulnerable again.
Drops — Siren Chest
A validated clear awards the Siren Chest. It's the only source of the Slime Ring and the richest source of Slime Kunai.
| Item | Amount | Chance |
|---|---|---|
| Slimeball | 40–70 | 100% |
 Slime Kunai | 20–40 | 70% |
| Cooked Meat | 3–8 | 60% |
| Gypsy Steel Bar | 2–5 | 40% |
| Pinkium Bar | 1–3 | 25% |
| Pinkium Ore | 2–6 | 25% |
 Unchiseled Slime Ring | 1 | 12% |
See also
Siren (base form) · Slime Kunai · Slime Ring