This slayer master gives 25 points per completed task
Krystilia/Wilderness Slayer Master
A three-headed gigantic hound. Guardian of the River of Souls
Cerberus
Can be caught starting at 40 Fishing
Lobster
Droprate for everything
50/50
Collect 4 similar items and return them to a wizard
Imp Catcher
Name of the newest slayer master
Spria
We'll fight, until world's end
Kraken
Agility level for Crystal weaponry
50
Droprate for Abyssal Whip
1/512
Unlocks the ability to fish monkfish
Swan Song
The first slayer boss introduced to OSRS
Cave Kraken
Sweet dreams are most definitely not made of this
Nightmare
Requirement for Zenyte Jewelry
75 Hitpoints
Abyssal Sire Jar is called...
Jar of Miasma
This quest unlocks Morytania
Priest in Peril
Must partially complete barbarian training to be assigned this creature
Mithril Dragons
I wouldn't want to eat his Porridge
Callisto
Runecrafting level for double death runes
99
Pet droprate for Callisto/Vet'ion/Venenatis
1/2000
This quest requires you to retrieve a child's blanket from some thieves
Monk's Friend
Rarest Slayer-only boss pet as of 2/21/20
Grotesque Guardians (4,467)
A vision of supernatural horror
Corporeal Beast
Level to smith a Dragon Square Shield
60 Smithing
Most common pet in OSRS as of 2/21/20
Heron (72,510)
Requires you to pass 3 exams
The Dig Site