A rock thrownhammer is slayer equipment that is required to kill gargoyles. While damage can be done to them with a regular weapon at 75 Slayer, the thrownhammer must be used on gargoyles to finish them off when they have 10 hitpoints or less left unless the player has unlocked quick kills. Delivering killing blows quicker means that you no longer need to use an item on specific slayer monsters to kill them; merely having the rock thrownhammer in one's inventory is enough. Then, your character will automatically use the thrownhammer when the conditions to finish off the garyogle are met.
Players can buy a rock thrownhammer from Slayer Masters for 200 coins. Since they are consumed upon usage, players should buy enough thrownhammers for their slayer task.
| Equipment from Slayer Masters |
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| Items from Slayer Masters |
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| Purchased with Slayer reward points |
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| Others |
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