
Waterfiend
Weak to earth +100%
Best in slot
The best setup using every item in the game, at 99s with potions and the best prayer.
Magic
Best here










Harmonised nightmare staff · Holy blessing
Melee










Soulreaper axe · Holy blessing
Ranged










Scorching bow · Seeking dragon arrow
Other options by slot
The best magic pick for each slot and the next best options. Each percentage is the DPS you lose by swapping in just that item against Waterfiend.
Mechanics
Waterfiends use a magic attack and a magic-based ranged attack, up to 11 every 4 ticks.
They resist everything except crush and heavy ranged, and earth spells do double damage.
Which style: Crush or heavy ranged. Earth spells do 100% extra.
From the OSRS Wiki, CC BY-NC-SA 3.0.
Inventory
At 12s a kill with the best-in-slot melee setup, a trip is more than 40 kills. Our suggestion: the OSRS Wiki publishes no inventory for Waterfiend.




























Super combat potion(4)
Boosts Attack, Strength and Defence by 19
Prayer potion(4)×4
Restores prayer, to keep your protection prayer up
Shark×22
Heals 20
Teleport to house (tablet)
Takes you home when the trip is doneWhat it drops
76 drops, with rates from the OSRS Wiki. Open this boss in the planner for what a kill is worth at today's prices.