The Incantation during the quest 'Demon Slayer' is random everytime, and it given by the fortune teller, in the tent found in Varrock Square. If you forget the Incantation go see her again and write it down or remember it.
A quest walkthrough for Demon Slayer can be found here: www.runescape.wikia.com/wiki/Demon Slayer
look on runehq
If this is part of the Demon Slayer quest, then the link below should direct you to your answer.
You have to do the demon slayer quest and near the end a person gives it to you to defeat the demon with it for silverlight. to get the blurite sword you have to do the knights sword. And you have to defeat the demon with the silverlight...
The Incantation during the quest 'Demon Slayer' is random everytime, and it given by the fortune teller, in the tent found in Varrock Square. If you forget the Incantation go see her again and write it down or remember it.
A quest walkthrough for Demon Slayer can be found here: www.runescape.wikia.com/wiki/Demon Slayer
After you have completed the 'demon slayer' quest you get it as a reward. >.<
look on runehq
If this is part of the Demon Slayer quest, then the link below should direct you to your answer.
You have to do the demon slayer quest and near the end a person gives it to you to defeat the demon with it for silverlight. to get the blurite sword you have to do the knights sword. And you have to defeat the demon with the silverlight...
you get ,you wont believe it, but you get a juice box
By doing Demon slayer quest
south east of varock were all the witches are
Finish the quest "Demon Slayer
You need 25 bones.
It depends on what you got. Theres a couple of incatations so you should have wrote them down. If you didnt talk to the fortune lady and ask what was the incanation. Make sure to write all of it since you have to press the right thing for each word. Hope this helped Mike852