In 1 hr : 106 Zogre bones 9 Fayrg 4 Raur 2 Ourg 1 clue scroll =169k worth of bones 96 range full void, range boots, archer ring, fury, accumulator, and mith brutals You can attack right over that square in the middle. They will always get stuck if you attack from the other side. I wouldnt call it tricky. Anyways good guide. Happy Hunting Edit: this wold get you 13,312 prayer xp at guilded altar. If you sold and bought 85 dragon bones and used with Guilded altar you'd get 21,420 prayer xp.