Rockslug
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| Rockslug | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Released | 26 January 2005 (Update) | ||||||||||||||||||||||
| Members | Yes | ||||||||||||||||||||||
| Combat level | 29 | ||||||||||||||||||||||
| Size | 1x1 | ||||||||||||||||||||||
| Examine | The slime of evil. | ||||||||||||||||||||||
| League region |  Fremennik✓ Varlamore✓ | ||||||||||||||||||||||
| Combat info | |||||||||||||||||||||||
| XP bonus | +0% | ||||||||||||||||||||||
| Max hit | 4 | ||||||||||||||||||||||
| Aggressive | No | ||||||||||||||||||||||
| Poisonous | No | ||||||||||||||||||||||
| Attack style | Crush | ||||||||||||||||||||||
| Attack speed | 4 ticks (2.4 seconds) | ||||||||||||||||||||||
| Respawn time | 15 ticks (9 seconds) | ||||||||||||||||||||||
 Slayer info | |||||||||||||||||||||||
| Slayer level | 20 | ||||||||||||||||||||||
| Slayer XP | 27 xp | ||||||||||||||||||||||
| Category | Rockslugs | ||||||||||||||||||||||
| Assigned by | |||||||||||||||||||||||
 Combat stats | |||||||||||||||||||||||
 |  |  |  |  |  | ||||||||||||||||||
| 27 | 22 | 27 | 27 | 1 | 1 | ||||||||||||||||||
| Aggressive stats | |||||||||||||||||||||||
| | |  | |  | ||||||||||||||||||
| +0 | +0 | +0 | +0 | +0 | +0 | ||||||||||||||||||
| Melee defence | |||||||||||||||||||||||
 |  |  | |||||||||||||||||||||
| +0 | +0 | +0 | |||||||||||||||||||||
 Magic defence | |||||||||||||||||||||||
|  | ||||||||||||||||||||||
| +0 | 25% weakness | ||||||||||||||||||||||
 Ranged defence | |||||||||||||||||||||||
 |  |  | |||||||||||||||||||||
| +0 | +0 | +0 | |||||||||||||||||||||
| Immunities | |||||||||||||||||||||||
| Poison | 0% resistance | ||||||||||||||||||||||
| Venom | 0% resistance | ||||||||||||||||||||||
| Cannons | Not immune | ||||||||||||||||||||||
| Thralls | Not immune | ||||||||||||||||||||||
| Advanced data | |||||||||||||||||||||||
| Monster ID | 421,14423 | ||||||||||||||||||||||
| Link | MOID | ||||||||||||||||||||||
Rockslugs are Slayer monsters that require level 20 Slayer to kill. A bag of salt must be used on it when it has 4 or less Hitpoints to finish it off. If used on a rockslug with 5 or more Hitpoints, the bag will be consumed but have no effect. If a rockslug's health is reduced to 1 but a bag of salt is not used on it, the rockslug will stop retaliating and wander off.
Players can buy the "Slug salter" perk from a Slayer Master for 10 Slayer points, which will automatically salt the rockslug when it falls below 4 Hitpoints, provided that the player has a bag of salt in their inventory. Alternatively, a brine sabre can be used to kill them without the need for bags of salt.
They are rarely killed due to their mediocre drops, which consists of low level ores and seeds. They may rarely drop the mystic gloves (light).
Locations
| Location | Levels | Members | Spawns | Map | League region |
|---|---|---|---|---|---|
| Dorgesh-Kaan South Dungeon (AJQ) | 29 |  | 1 | Show map |  Misthalin✓ |
| Fremennik Slayer Dungeon (AJR) | 29 | | 7 | Show map | Fremennik✓ |
| Lumbridge Swamp Caves | 29 | | 5 | Show map | Misthalin✓ |
| Tonali Cavern | 29 | | 6 | Show map | Varlamore✓ |
| Ynysdail Cavern | 29 | | 8 | Show map | N/A |
Drops
Drop rates are estimated based on 475,942 samples from the Drop Rate Project, unless otherwise cited.
The average Rockslug kill is worth 128.53.
Armour
| Item | Quantity | Rarity | Price | High Alch | |
|---|---|---|---|---|---|
 | Mystic gloves (light) | 1 | 1/512 | 9,125 | 6,000 |
Runes
| Item | Quantity | Rarity | Price | High Alch | |
|---|---|---|---|---|---|
| Earth rune | 5 | 30/128 | 25 | 10 |
| Earth rune | 42 | 4/128 | 210 | 84 |
 | Chaos rune | 2 | 4/128 | 212 | 108 |
Ores and bars
| Item | Quantity | Rarity | Price | High Alch | |
|---|---|---|---|---|---|
 | Coal | 1 | 13/128 | 146 | 27 |
 | Iron ore | 1 | 22/128 | 76 | 10 |
 | Bronze bar | 1 | 2/128 | 59 | 4 |
 | Iron bar | 1 | 3/128 | 141 | 16 |
 | Copper ore | 1 | 3/128 | 10 | 1 |
 | Tin ore | 1 | 8/128 | 10 | 1 |
 | Mithril ore | 1 | 1/128 | 151 | 97 |
Seeds
There is a 9/128 chance of rolling the general seed drop table.
| Item | Quantity | Rarity | Price | High Alch | |
|---|---|---|---|---|---|
 | Potato seed | 4 | 1/38 | 16 | 4 |
 | Onion seed | 4 | 1/51 | 12 | 4 |
 | Cabbage seed | 4 | 1/77 | 24 | 4 |
 | Tomato seed | 3 | 1/155 | 9 | 6 |
 | Sweetcorn seed | 3 | 1/311 | 15 | 12 |
 | Strawberry seed | 2 | 1/623 | 14 | 20 |
 | Watermelon seed | 2 | 1/1,303 | 468 | 66 |
 | Snape grass seed | 2 | 1/1,792 | 30,202 | 112 |
Other
| Item | Quantity | Rarity | Price | High Alch | |
|---|---|---|---|---|---|
 | Dwarven stout | 1 | 13/128 | 113 | 1 |
 | Hammer | 1 | 10/128 | 102 | 0 |
Gem drop table
There is a 6/128 chance of rolling the gem drop table.
| Item | Quantity | Rarity | Price | High Alch | |
|---|---|---|---|---|---|
 | Nothing | N/A | 1/42.74; Never[d 1] | N/A | N/A |
 | Uncut sapphire | 1 | 1/85.33; 1/43.33[d 2] | 228 | 15 |
 | Uncut emerald | 1 | 1/170.67; 1/86.67[d 2] | 473 | 30 |
 | Uncut ruby | 1 | 1/341.33; 1/173.33[d 2] | 1,087 | 60 |
 | Chaos talisman | 1 | 1/910.22; 1/462.22[d 2][d 3] | 236 | 2 |
 | Nature talisman | 1 | 1/910.22; 1/462.22[d 2][d 3] | 268 | 2 |
 | Uncut diamond | 1 | 1/1,365.33; 1/693.33[d 2] | 2,439 | 120 |
 | Rune javelin | 5 | 1/2,730.67; 1/1,386.67[d 2] | 675 | 1,200 |
 | Loop half of key | 1 | 1/2,730.67; 1/1,386.67[d 2] | 9,756 | 60 |
 | Tooth half of key | 1 | 1/2,730.67; 1/1,386.67[d 2] | 9,887 | 60 |
 | Rune spear | 1 | 1/43,690.67; 1/2,600[d 2][d 4] | 11,599 | 12,480 |
 | Shield left half | 1 | 1/87,381.33; 1/5,200[d 2][d 4] | 65,355 | 66,000 |
 | Dragon spear | 1 | 1/116,508.44; 1/6,933.33[d 2][d 4] | 38,438 | 37,440 |
- ^ The "nothing" drop is removed while wearing a ring of wealth.
- ^ 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 2.11 The drop rate is increased while wearing a ring of wealth due to the "nothing" drop being removed.
- ^ 3.0 3.1 The talisman dropped depends on where the player is located (map); typically, a nature talisman will drop above ground level and a chaos talisman will drop underground.
- ^ 4.0 4.1 4.2 Only dropped if Legends' Quest has been finished; if not, a talisman is dropped instead.
Changes
| Date | Changes |
|---|---|
| 25 June 2025 (Update) |
Rockslugs now have a 25% elemental weakness to earth spells. |
| 27 August 2025 (Update) |
The cost of Slug Salter was reduced from 80 to 10 points. |
| 8 May 2024 (Update) |
Vannaka and Chaeldar no longer assign players Rockslug tasks. |
Trivia
- According to the config name of the lighter green version,
slayer_rockslug_baby, it is a baby rockslug.
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