Head to the U-shaped building in the southern side of the colony. Enter through the southern door.
Stay on the dark brown ground at the perimeter of the room.
Search the stacked crates on the light brown ground for monkey dentures; it is advised to take more than one set.
Search the south-easternmost crate to crawl down into the basement - you may fall and take up to 2500 life points damage.
Search crates in the north-west part of the basement for m'amulet moulds; again, take more than one.
Go back to Garkor, and run south of him towards a ladder. Be wary of a monkey in the graveyard who will call monkey guards. Climb the ladder and leave the monkey city or teleport out and return to the island if you are having trouble getting pass the graveyard. You can always return and reach the dungeon via traveling back to the island.
Travel west till you see a dungeon on your minimap. Climb down.
Run through the long dungeon. Protect from melee is highly recommmended here, as are antipoisons and energy potions. Make sure to have a few pieces of food for healing from the traps and mobs.
At the end of the dungeon (the most north-eastern part), use the gold bar, monkey dentures, and monkey amulet mould on Zooknock. He will give you an enchanted bar. If you use the monkey bones on him here you dont need to get new ones when turning in the talisman.
Return to the monkey colony run east into the temple. Take the southern ladder up, eastern ladder down, then trapdoor down.
Use the enchanted bar with a fire pit, use the amulet on a ball of wool.
Take your monkey bones (or corpse) to the banana garden west of the prison. Wait for the monkey's aunt to leave, quickly go into the garden through the corridor at its north-east corner. When she returns run back into the corridor.
Equip the monkeyspeak amulet, talk to the monkey child twice. Tell him you're his uncle.
Give him 5 bananas for the monkey talisman.
You will have to wait a few minutes before the child gives you the talisman.
Take your monkey bones (from an karamja monkey) and talisman and use it on Zooknock in the long dungeon.
Watch the cutscene. Equip your new greegree and speak to Garkor.
Rub the sigil when you are ready to kill a level 70 Demon. Protect from magic prayer is advised.
If you rub the sigil with your greegree equipped and with a full inventory, your greegree will drop on the ground.
Kill the demon then talk to Garkor. Speak to Zooknock to be teleported to Ape Atoll.
Speak to King Narnode in the Grand Tree.
For additional rewards, speak to Daero after the quest to receive experience from the 10th Squad Training Programme. You may now choose to distribute the experience in either one of the given sets, which are Defence and Attack, and Strength and Constitution - the first chosen set will give you 35,000 experience in each skill, while giving 20,000 experience in each of the skills in the second set.