Wyvern bonemeal is an item that can be used to train Prayer at the Ectofuntus. To create the bonemeal, players must grind wyvern bones on the top floor by dropping them in the hopper and turning the valve (giving 1 experience in the process). The player can then empty the bin to receive the bonemeal. The bonemeal will automatically be put in a pot, it is not required to bring your own.
After completing the medium Morytania achievements, 13 wyvern bonemeal (as well as 13 buckets of slime) can be obtained daily by giving unnoted wyvern bones to Robin in Port Phasmatys. This increases to 26 after completing the hard achievements, and 39 after completing the elite achievements.
Cost and XP analysis
|Bury||Gilded altar or
|Experience||50||175||200||225 (Total)||125 (Prayer) + 100 (FM)|
|Cost per XP||−332.2||−94.9||−83||−73.8 (Total)||−132.9 (Prayer) or −166.1 (FM)|
- It is assumed that two burners are lit while using the gilded altar and does not include the cost of clean marrentill.
|Item quantity required||1|
|Base junk chance||98.9%|
- Wyvern bonemeal weighs 0.5 kg, unlike every other type of bonemeal which weighs 1.5 kg.