Starting Point: Camelot Castle
Item Requirements: Around 10 Prayer potions, Food, and Armour
Level Requirements: 50 Agility (I think, it's not any higher) , The Wolf's Cure must be done? (Tell me if I'm wrong)
Reward(s): The ability to use the Chivalry and Piety prayers+
1) You can start this quest by talking to King Lathas in Camelot Castle
2) Now you have to look for clues so head to the Black Knight's Fortress.
3) Now you have to look for a Treasure map inside the Black Knight Fortress you should be somewhere that looks like this.
4) So now that you're inside the Fortress do this. Go Straight and up the first ladder. Go up the ladder next to it. Now, go down the ladder next to that. Now Go through those two doors then up that ladder. Then down the ladder next to it. Go through the door now and down that ladder. Then you should be in a little room that looks like this, and you will see a "Grill" Click "Listen-at Grill"
5) Now go to Yanille and bank, Grab some pray potions, and Food. You have to fight some NPC'S now.
6) Now go across the Monkeybars, Then walk across the Balancing Ledge, and talk to Denulth.
7) He will send you to a bunch of knights. Now kill one of EACH there's only four. Make sure you PRAY MELEE.
Congratulations you can know use Chivalry and Piety