Young grotworm
Young grotworm is a level 28 free-to-play monster found in Asgarnia, with 1,650 life points. It is weak to bolts (crossbows). It is the top source of Coral bolts, Wood spirit and Trout.
“A disgusting worm.”
Level 28Free-to-playAttacks with magic
Updated . Stats and drops from the RuneScape Wiki's monster and drop data (CC BY-NC-SA 3.0), checked 2026-10-09. Wiki page. Item sprites © Jagex.
Combat stats
- Combat level
- 28
- Life points
- 1,650
- Combat XP per kill
- 82.5
- Max hit
- 400
- Armour
- 316
- Attack style
- Magic
- Weakness
- Bolts
- Aggressive
- No
- Poisonous
- No
Slayer
- Slayer level
- None needed
- Slayer XP per kill
- 19
- Task
- Grotworms
- Assigned by
- Raptor, Vannaka, Mazchna, Chaeldar, Sumona, Duradel, Kuradal, Morvran
Where
Asgarnia
Ironman notes
- Counts as a Slayer task from Raptor, Vannaka, Mazchna, Chaeldar, Sumona, Duradel, Kuradal and Morvran (task: grotworms). Killing it on task earns Slayer XP and points.
- Weak to bolts (crossbows): bring that style for faster kills.
- Drops gold charm, green charm, crimson charm and blue charms for Summoning pouches.
- Always drops Bones: Prayer XP as you go.
Best for
Best drop rate anywhere
Of every monster that drops these, this one gives the most per kill.
- Wood spirit6/100
- Trout5/100
- Royal cape3/100
Easiest monster for
The lowest-level monster that drops these, if the best one is out of reach.
- Attack potion (1)3/100
- Strength potion (1)3/100
Drops (27)
| Item | Quantity | Rarity |
|---|---|---|
| Coins | 100 | 9/100 |
| Coral boltsOnly source | 20 | 10/100 |
| Bones#2 rate | 1 | Always |
| Earth rune | 8 | 7/100 |
| Mind rune | 8 | 6/100 |
| Water rune | 8 | 6/100 |
| Flax | 4 (noted) | 7/100 |
| Wood spiritBest rate | 3–4 | 6/100 |
| Maple wood spirit | 3 | 5/100 |
| TroutBest rateEasiest | 2 | 5/100 |
| Nature rune | 1 | 9/100 |
| Coal stone spirit | 1 | 7/100 |
| Iron stone spirit | 1 | 7/100 |
| Silver stone spiritEasiest | 1 | 7/100 |
| Gold charm | 1 | 52.5/1,000 |
| Attack potion (1)#2 rateEasiest | 1 | 3/100 |
| Royal capeBest rate | 1 | 3/100 |
| Strength potion (1)#2 rateEasiest | 1 | 3/100 |
| Green charm | 1 | 10.5/1,000 |
| Crimson charm | 1 | 4.2/1,000 |
| Sealed clue scroll (easy) | 1 | 1/350 |
| Spirit sapphire#2 rate | 1 | 5/2,000 |
| Spirit emerald#2 rate | 1 | 3/2,000 |
| Blue charm | 1 | 1.05/1,000 |
| Spirit ruby#2 rate | 1 | 2/2,000 |
| Mimic kill token | 1 | 1/9,972 |
| Starved ancient effigy | 1 | 1/229,591 |
Most common first. “Best rate” and “#2/#3 rate” compare expected drops per kill with every other monster that drops the item.