OSRS Drop Calculator › Chaos rune

Best way to farm Chaos rune

All 219 monsters that drop Chaos rune, ranked by realistic quantity per hour — not just drop rate. Change the seconds-per-kill for any monster to match your own speed. 17 other sources aren’t ranked; see why below.

Drop data: Chaos rune on the OSRS Wiki

Currently fastest method
Vet'ion
2,400 / hr
Monster Drops (rarity · quantity) Avg/kill Sec/kill Kills/hr Qty/hr
Vet'ion
Combat lvl 454
7/126 · 900
 50 75 48 2,400
Kraken
Combat lvl 291 · Slayer 87
10/128 · 200
 15.62 32 112 1,758
Chaos Elemental
Combat lvl 305
8/128 · 300–500
 25 81 44 1,111
Calvar'ion
Combat lvl 264
7/128 · 220
 12.03 43 84 1,007
Zulrah
Combat lvl 725
12/249 · 400 (2 rolls)
 38.55 145 25 957
Branda the Fire Queen
Combat lvl 350
2/55 · 200–400 (2 rolls)
 21.82 83 43 946
Eldric the Ice King
Combat lvl 350
2/56 · 200–400 (2 rolls)
 21.43 83 43 929
Scorpia
Combat lvl 225
8/128 · 150–200
 10.94 49 73 804
Callisto
Combat lvl 470
7/126 · 900
 50 231 16 779
Artio
Combat lvl 320
7/128 · 300
 16.41 79 46 748
Dust devil (Wilderness Slayer Cave)
Combat lvl 93 · Slayer 65
7/126 · 80
 4.44 23 157 696
Alchemical Hydra
Combat lvl 426 · Slayer 95
6/101 · 150–300 (2 rolls)
 26.73 149 24 646
Greater demon (Wilderness Slayer Cave)
Combat lvl 104
5/41 · 40
 4.88 28 129 627
Jelly (Wilderness Slayer Cave)
Combat lvl 78 · Slayer 52
5/64 · 45
 3.52 22 164 575
Vorkath (Post-quest)
Combat lvl 732
6/150 · 250–350 (2 rolls)
 24 163 22 530
Zombie (Sepulchre of Death)
Combat lvl 159
20/256 · 35
15/256 · 50
 5.66 40 90 510
Sarachnis
Combat lvl 318
5/100 · 175–200
 9.38 71 51 475
Dust devil (Regular)
Combat lvl 93–110 · Slayer 65
7/128 · 65
 3.55 27 133 474
Greater Nechryael (Wilderness Slayer Cave)
Combat lvl 200 · Slayer 80
10/112 · 50
 4.46 37 97 434
Phantom Muspah
Combat lvl 741
5/235 · 480 (2 rolls)
 20.43 172 21 428
Hammerhead shark
Combat lvl 90
5/100 · 50–80
 3.25 28 129 418
Cave kraken
Combat lvl 127 · Slayer 87
16/200 · 50
 4 35 103 411
Venenatis
Combat lvl 464
7/126 · 500
 27.78 245 15 408
Lesser demon (Wilderness Slayer Cave)
Combat lvl 94
5/39 · 20
 2.56 24 150 385
Greater Nechryael (Regular)
Combat lvl 200 · Slayer 80
10/128 · 50
 3.91 37 97 380

Other sources (not ranked)

These also drop it but aren’t included in the ranking above. They’re all superior slayer monsters: they only appear randomly (~1 in 200 kills) while you’re on a slayer task.

Monster Drops (rarity · quantity) Avg/kill
Choke devil
Combat lvl 264 · Slayer 65
7/128 · 80 (3 rolls)
 13.12
Nechryarch (Greater)
Combat lvl 300 · Slayer 80
10/128 · 50 (3 rolls)
 11.72
Nechryarch (Normal)
Combat lvl 300 · Slayer 80
8/116 · 37 (3 rolls)
 7.66
Colossal Hydra
Combat lvl 309 · Slayer 95
9/128 · 20–50 (3 rolls)
 7.38
Marble gargoyle
Combat lvl 349 · Slayer 75
8/128 · 30 (3 rolls)
 5.62
Vitreous Chilled Jelly
Combat lvl 241 · Slayer 52
5/128 · 45 (3 rolls)
 5.27
Vitreous Warped Jelly
Combat lvl 241 · Slayer 52
5/128 · 45 (3 rolls)
 5.27
Night beast
Combat lvl 374 · Slayer 90
7/128 · 30 (3 rolls)
 4.92
Dreadborn Araxyte
Combat lvl 281 · Slayer 92
5/127 · 20–30 (3 rolls)
 2.95
Infernal pyrelord
Combat lvl 134 · Slayer 30
5/128 · 20 (3 rolls)
 2.34
Magma strykewyrm
Combat lvl 249 · Slayer 62
6/128 · 10–20 (3 rolls)
 2.11
Screaming twisted banshee
Combat lvl 144 · Slayer 15
2/128 · 30 (3 rolls)
1/128 · 17 (3 rolls)
 1.8
Vitreous Jelly
Combat lvl 206 · Slayer 52
5/128 · 15 (3 rolls)
 1.76
Flaming pyrelord
Combat lvl 97 · Slayer 30
5/128 · 12 (3 rolls)
 1.41
Greater abyssal demon
Combat lvl 342 · Slayer 85
6/128 · 10 (3 rolls)
 1.41
Screaming banshee
Combat lvl 70 · Slayer 15
2/128 · 3 (3 rolls)
1/128 · 7 (3 rolls)
 0.305
Giant rockslug
Combat lvl 86 · Slayer 20
4/128 · 2 (3 rolls)
 0.188
How this is calculated: items/hr = (3600 ÷ seconds per kill) × average items per kill. Each monster's drop lines are listed as the wiki shows them (rarity · quantity); the average adds them all up, each as rarity × average quantity × rolls — so a guaranteed drop plus a rarer bonus drop both count. Drop rates and quantities come from the OSRS Wiki's community-verified drop tables. Seconds-per-kill is an editable estimate based on each monster's hitpoints and defence — your real speed depends on your stats and gear, so adjust it and your edits are remembered on this device. Rates marked ~ are approximate on the wiki.

Something wrong on this page?

Drop rates come from the OSRS Wiki and kill times are estimates, so mistakes happen. Tell us what's off and it'll be looked at.