Deadliest Cache (fishing achievement)

Deadliest Cache is a fishing achievement earned for successfully fishing up a Jostled Gurubashi Cache or a Waterlogged Gurubashi Cache at in the northeastern corner of the lake in Zul'Gurub.

In order to fish up these caches, the player will need the buff Mudskunk Aroma, which requires the achievement Relics of a Fallen Empire to be completed first, then fish in the vicinity of the Gurubashi Villagers nearby to gain the buff.