Diabolic worms
“Their subtle, pulsing glow would be great for catching anglerfish.”
MembersTradeable (not for Ironmen)High alch 54 gp
Sources from the OSRS Wiki's drop, shop and recipe data (CC BY-NC-SA 3.0), checked 2026-10-09; the verdict and ordering are ours, built from that data. Item sprite © Jagex.
Ironman verdict
Diabolic worms is a members item. Other players trade it, but an Ironman cannot use the Grand Exchange or trade, so you get your own. We list 1 monster for it.
The lowest-level monster that drops it is Yama (level 1238), at Always.
Among the bosses we cover, Yama drops it.
No recipe in our data uses it as a material. High Alchemy (55 Magic) turns one into 54 coins. Each cast uses a nature rune, 180 coins from a rune shop, and five fire runes that a fire staff replaces, so an alch loses about 126 coins; only alch it to clear space.
Monster drops
| Dropped by | Level | Quantity | Rarity |
|---|---|---|---|
| Yama | 1238 | 250 | Always |
Best rates first, plus the lowest-level monsters that drop it.
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