Fever spiders

Slayer 42 Combat 49 40 xp Members

Assigned by

Requirements

Stab 20 Slash 15 Crush 10 Magic 15 Ranged 15

No notable immunities

Required Gear

Slayer gloves

One of these is needed to fight this task's monsters (or a variant) — from the OSRS Wiki's equipment table.

Assigned by

Task size 151 (1–300)

At 151 kills: 98.6% chance of at least one Adamant battleaxe.

100% (1)

	Item	Qty	Rate	Chance in task	Expected
151	Fever spider body	1	Always	100%	151

Weapons and armour (4)

	Item	Qty	Rate	Chance in task	Expected
8	Adamant axe	1	1/18	99.98%	8.4
13	Red d'hide chaps	1	1/12	>99.99%	12.6
4	Adamant battleaxe	1	1/36	98.6%	4.2
8	Adamant med helm	1	1/18	99.98%	8.4

Herbs (1)

	Item	Qty	Rate	Chance in task	Expected
25	Grimy kwuarm	1	1/6	>99.99%	25.2

Other (4)

	Item	Qty	Rate	Chance in task	Expected
44	Bass	1–2	1/5.1	>99.99%	44
13422	Coins	200–600	1/4.5	100%	13422
1258	Pure essence (noted)	100–200 (noted)	1/18	99.98%	1258
17	Limpwurt root	1	1/9	>99.99%	16.8

Gem drop table (12)

	Item	Qty	Rate	Chance in task	Expected
2	Nothing	N/A	1/72.1	87.9%	2.1
1	Uncut sapphire	1	1/144	65.1%	1
	Uncut emerald	1	1/288	40.9%	0.52
	Uncut ruby	1	1/576	23.1%	0.26
	Nature talisman	1	1/1,536	9.37%	0.1
	Uncut diamond	1	1/2,304	6.35%	0.07
	Rune javelin	5	1/4,608	3.22%	0.16
	Loop half of key	1	1/4,608	3.22%	0.03
	Tooth half of key	1	1/4,608	3.22%	0.03
	Rune spear	1	1/73,728	0.205%	<0.01
	Shield left half	1	1/147,456	0.102%	<0.01
	Dragon spear	1	1/196,608	0.077%	<0.01

✓ verified against the OSRS Wiki · revision 15275482 · fetched 2026-08-04 · CC BY-NC-SA 3.0