A boss lure is a key with fins
The fight often starts before the health bar appears. The real preparation is knowing the island, carrying the correct trigger item and keeping any quest drop that opens the next step.
WhereConfirm the island before spending travel time.
WhatCheck the exact lure, bait or quest item that summons the fight.
KeepDo not sell a drop that the story expects at the next hand-in.
ThenReturn to the progression route if the island does not unlock.
The How to Fish boss bait guide groups bosses and mini-bosses by island, then shows what summons each fight and which quest drop matters afterward.
The guide cannot confirm what is inside a player inventory or whether a quest trigger has already fired. When the right bait appears to do nothing, check the island step and current patch before assuming the item is wrong.
How to Fish.ing is an independent player guide, not an official Dazed Games, Valve or Steam property. Its public data is marked for patch 1.0.10.