Brine rats

Slayer 47 Combat 70 50 xp Members rat

Assigned by

Requirements

Stab 0 Slash 0 Crush 0 Magic 0 Ranged 0

No notable immunities

No editorial notes for this task yet — check the wiki's strategy section.

Log membership cross-referenced against the wiki's collection log item registry at build time.

Assigned by

Task size 151 (1–300)

At 151 kills: 25.6% chance of at least one Brine sabre.

100% (2)

	Item	Qty	Rate	Chance in task	Expected
151	Bones	1	Always	100%	151
151	Raw rat meat	1	Always	100%	151

Weapons (1)

	Item	Qty	Rate	Chance in task	Expected
	Brine sabre	1	1/512	25.6%	0.29

Runes (8)

	Item	Qty	Rate	Chance in task	Expected
149	Death rune	7	1/7.1	>99.99%	149
42	Air rune	18	1/64	90.7%	42.5
71	Earth rune	10	1/21.3	99.93%	70.8
42	Earth rune	18	1/64	90.7%	42.5
170	Earth rune	36	1/32	99.2%	170
35	Water rune	10	1/42.7	97.2%	35.4
42	Water rune	18	1/64	90.7%	42.5
9	Blood rune	4	1/64	90.7%	9.4

Materials (7)

	Item	Qty	Rate	Chance in task	Expected
71	Raw lobster (noted)	10 (noted)	1/21.3	99.93%	70.8
21	Raw shark (noted)	3 (noted)	1/21.3	99.93%	21.2
42	Raw rat meat (noted)	18 (noted)	1/64	90.7%	42.5
42	Raw pike (noted)	18 (noted)	1/64	90.7%	42.5
19	Raw shark (noted)	8 (noted)	1/64	90.7%	18.9
21	Raw swordfish	9	1/64	90.7%	21.2
1	Raw shark	1	1/128	69.4%	1.2

Coins (4)

	Item	Qty	Rate	Chance in task	Expected
25	Coins	1	1/6.1	>99.99%	24.8
38	Coins	2	1/8	>99.99%	37.8
42	Coins	4	1/14.2	>99.99%	42.5
103	Coins	29	1/42.7	97.2%	103

Other (2)

	Item	Qty	Rate	Chance in task	Expected
19	Nothing	N/A	1/8	>99.99%	18.9
4	Water talisman	1	1/42.7	97.2%	3.5

Tertiary (3)

	Item	Qty	Rate	Chance in task	Expected
38	Rat bone	1	1/4	100%	37.8
1	Clue scroll (medium)	1	1/128	69.4%	1.2
	Brimstone key	1	1/224	49.1%	0.67

✓ verified against the OSRS Wiki · revision 15273490 · fetched 2026-08-04 · CC BY-NC-SA 3.0