To win this Assault you must fish up and kill from the lake to receive an Ahtapot, and bring it back to Ulbuun. There are four NPCs fishing at various points around the lake. Be careful to avoid the Qiqirn Pecheurs unless you are killing them for lures, they will aggro sight. The fishing NPCs will give you hints on where to fish for the Orobon, which can only be caught in the area indicated by the NPCs. Their starting dialogue is as follows: Monsters will be caught 100% of the time. After you've caught and killed a few, 3 of the 4 NPCs' dialogue will change to the following "negative" messages: