Webi'll quickly show you the best places and methods to kill waterfiends, so you don't have to struggle as much when training slayer. Webwaterfiends are horrid on osrs. If you must do it, crush weps are key. Waterfiends also check magic armor for both their ranged and magical attacks, so use dhide armor or karils. Webi have been assigned waterfiends for the first time. According to the bestiary, i should use crush attacks while wearing my black d'hide for magic resistance and. Webno it isn't worth it since the task weight is so low (it's a rare task). You would be better off blocking more common tasks. Webthe average waterfiend kill is worth 3,320. 8. The average waterfiend kill while on a konar task is worth 4,318. 37. For waterfiends in the iorwerth dungeon, the average kill is worth. Webis waterfiends a good task to do at 90 slayer? So i'm 90 slayer, haven't trained slayer in maybe 2 years, a bit lost when it comes to blocking, canceling, or doing certain tasks. Which tasks do i always cancel, and which should i block? Webwaterfiends can be assigned as a slayer task at 75 combat level by two slayer masters, konar quo maten and duradel, after entering the ancient cavern for the first time.