The Bonecrusher is one of my favourite items in Old School RuneScape because it automatically crushes most bones and gives passive Prayer XP whenever killing something that drops bones. There are two other similar items: the ash sanctifier for creatures that drop ashes and the ectoplasmator for spectral creatures. However, keeping the bonecrusher charged so it continues to bury the bones for you, can be a bit painful since you’ll need ecto-tokens to charge it. Luckily, there’s an easy method to do it
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Obtaining the Bonecrusher
To obtain the Bonecrusher you’ll first need to complete the hard Morytania diary. Afterwards, grab your ghostspeak amulet, a teleport to a bank, and the ectophial. Teleport to the ectofuntus and equip the ghostspeak amulet and speak to the ghost disciple to obtain the item. You can use a dragonbone necklace from Vorkath along with a Hydra tail from the Alchemical hydra to transform your bonecrusher into a wearable Bonecrusher necklace that is the BIS prayer neck-slot piece.
Bonecrusher options
You can toggle your charged Bonecrusher or Bonecrusher necklace to crush or to not crush bones depending on your needs. This is because it might not be worth crushing normal bones and consume charges or you might want to save those dragon bones and use them at the Chaos temple in the Wilderness instead. You might also want to crush some of the bones in a trip and save some to sell or bank. You can always check your charges by right-clicking the Bonecrusher in your inventory.
Prayer XP
With the Morytania hard you will get 50 percent of the XP you’d normally get for burying that type of bones, while with the elite Morytania diary you will get the full 100 percent.
Charging the Bonecrusher
To charge the Bonecrusher you will need to use ecto-tokens on it. Each ecto-token will give you 25 charges which will let you crush 25 bones.
To obtain ecto-tokens fast grab your rune pouch or any other teleport near a bank, your Ectophial, and 13 bones of your choice. Preferably bring dragon bones or other high level bones since you will also gain XP.
Click on the Ectophial to get to Ectofuntus, then walk south and click to pass the energy barrier. Enter the house to the south west and find Robin. Right click him and click claim slime.
He will instantly transform the bones into bonemeal and slime.
Click on the Ectophial again and spam click the middle of the Ectofuntus until you empty all your buckets and pots, then teleport to a bank and get another 13 bones.
With the hard Morytania diary, Robin will trade you 26 bones a day, and with the elite, 39, so you’ll be able to have two or three trips a day.
Once in a while, after you do your normal trip, teleport to a bank again and get your Bonecrusher and your ghostspeak amulet and teleport to the Ectofuntus again. There, speak to the ghost disciple and ask him to give you the ecto-tokens you’ve earned, then use the ecto-tokens on your Bonecrusher to charge it.
Depending on how many monsters you kill you don’t need to do this daily to keep your Bonecrusher charged, but the more often you do it, the more charges you’ll stack up.
If you kill more than 650 monsters that drop bones a day, you might wanna priorities doing the elite diary, which will bring you to 975 charges a day. The maximum amount of charges you can stack up is the same as the max cash number, 2,147,483,647, because of the 32-bit signed integers that store values in OSRS.
XP rates and prayer restauration
| Type of bones | Bonecrusher XP with Morytania hard | Bonecrusher XP with Morytania hard | Bonecrusher Necklace Prayer points restored |
| Bones, wolf bones, burnt bones | 2.2 XP | 4.5 XP | 1 Prayer point |
| Big bones, jogre bones | 7.5 XP | 15 XP | 2 Prayer points |
| Wyrmling bones | 10.5 XP | 21 XP | 2 Prayer points |
| Zogre bones | 11.2 XP | 22.5 XP | 2 Prayer points |
| Babydragon bones | 15 XP | 30 XP | 3 Prayer points |
| Wyrm bones | 25 XP | 50 XP | 3 Prayer points |
| Wyvern bones | 36 XP | 72 XP | 3 Prayer points |
| Dragon bones | 36 XP | 72 XP | 4 Prayer points |
| Drake bones | 40 XP | 80 XP | 4 Prayer points |
| Lava dragon bones | 42.5 XP | 85 XP | 4 Prayer points |
| Hydra bones | 55 XP | 110 XP | 4 Prayer points |
| Dagannoth bones | 62.5 XP | 125 XP | 4 Prayer points |
| Superior dragon bones | 75 XP | 150 XP | 5 Prayer points |
