Eternal crystal
“A powerful crystal of magic.”
MembersTradeable (not for Ironmen)High alch 27,000 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
Eternal crystal 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 Cerberus (level 318), at 1/520, about one in 520 kills.
Among the bosses we cover, Cerberus drops it.
It is a material in 1 recipe: Eternal boots (60 Magic, 60 Runecraft). High Alchemy (55 Magic) turns one into 27,000 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 nets about 26,820 coins.
Monster drops
| Dropped by | Level | Quantity | Rarity |
|---|---|---|---|
| Cerberus | 318 | 1 | 1/520 |
Best rates first, plus the lowest-level monsters that drop it.
Used to make (1)
One recipe uses Eternal crystal as a material, lowest level first.
- Eternal bootsone used · 60 Magic, 60 Runecraft
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