Chance to bring back a fish in Fishing.
Chance to gain an extra item in Freshwater.
Chance to gain an extra item in Forest or Grassland harvesting.
Increases item rarity in Fishing.
Chance to gain extra item in scavenging.
Chance to bring back an extra item in Shallows harvesting.
Chance to gain an extra item when doing activities in saltwater.
Chance of an extra egg in breeding.