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The Tuna mini-boss is summoned with the Professional Boss Lure, reported to cost $1,200 at the Island 4 shop. Buy it, equip a weapon before casting, and be ready for the fight as soon as the Tuna comes out of the water. The lure may survive a use or break; no dependable reuse rate is established.
Where to buy the Professional Boss Lure and what it costs
Guides report the Professional Boss Lure for $1,200 at Island 4. A guide written for version 1.0.12 also lists it at Island 5. These are reported in-game prices and locations, not official developer documentation; shop availability may vary by game version. NerdsChalk’s guide, checked against version 1.0.4, and Corpus’s version 1.0.12 guide both give the price as $1,200.
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Professional Boss Lure vs. Professional Lure
These are separate items. The Professional Boss Lure summons the Tuna mini-boss; the ordinary Professional Lure is for regular fishing and is listed at $50 by NerdsChalk. Do not buy the standard lure expecting it to call the boss.
| Item | Reported price | Function |
|---|---|---|
| Professional Boss Lure | $1,200 | Summons the Tuna mini-boss |
| Professional Lure | $50, according to NerdsChalk | Ordinary fishing |
How to prepare for the Tuna fight
Equip your weapon before casting: the encounter begins as the Tuna is brought out of the water, leaving little time to switch equipment safely. The fight advice in AllThings.how’s Tuna mini-boss guide describes baiting its charge, turning away so it overshoots, then firing during its recovery.
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- Have a weapon equipped before you use the lure.
- Watch for the charge and move so the Tuna misses you.
- Use the recovery window to attack; do not assume one particular weapon is best for every player or build.
Why you should keep the Tuna
The Tuna is used to trigger the next bird encounter. Corpus’s version 1.0.12 guide identifies that follow-up as the Albatross encounter. Treat the Tuna as progression bait: check your current quest step before selling or discarding it.
Can the Professional Boss Lure break?
Yes. The lure has a durability roll: it may remain after use, but it can also be destroyed. The cited guides do not establish a reliable percentage or fixed number of uses, so do not count on reusing it. Budget for a replacement if you need another attempt. NerdsChalk’s lure durability guide describes the behavior without providing a dependable numeric rate.
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What is the Tuna’s HP?
There is no reliable universal figure in the available guides. Corpus reports 5,000 HP for a solo Default Tuna in version 1.0.12, while other guides give 6,000 or 100. The discrepancy is unresolved and may reflect different versions, modes, or inaccurate reporting; use the in-game encounter rather than treating any of those numbers as a current guaranteed stat.
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