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Stardew Valley Duration and End Checks
Timing / 90-minute minimum, 10% end chance, and rising 10-minute checks
Fish Frenzies last at least 90 in-game minutes. After that, the event can end at each 10-minute check, starting at 10% and rising by 0.56 percentage points per check.
Facts and route notes
Category: Timing
Focus: 90-minute minimum, 10% end chance, and rising 10-minute checks
Checklist: Treat the first 90 minutes as the reliable harvest window. Move immediately if the location is close and the named fish matters. Stop chasing late if travel, inventory, or stamina would undercut the remaining value.
How this entry fits a farm route
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