You visit the monsters lair from Weismart's blog

Alright, so the history is that there's some kind of RS gold monster attacking a group of individuals using the decoy knowledge. The only man left is very old and can't go fight the monster. Its your job to go kill the creature and save the people. And there is the promise of treasure for you greedy folks out there:unsure: Requirements:Skill to kill a level 30 monster.

You visit the monsters lair and fight him. Easy peasy, right? Well, it turns out you just rescued one person. This person is slightly proficient in making decoys. They'll teach you how you can create the fundamental decoy from routine logs. Congrats, you've completed one measure of the quest. When you injured the monster, he scuttled deeper into his lair. It gets harder. It would be put up as, you wound the creature, get the key to a cage and free the individual. Then, they tell you they will meet you at the building, in which you'll get your benefit. Or, you may continue to rescue more people.

Recommended Items: Anything you need to kill a level 50 monster. Rope. There you see the monster along with another cage. Wound the monster, who got mad and stronger (think about the Hulk) and cheap OSRS gold get the key, open the cage and free the individual. They also will meet you back at the building. They can make decoys out of oak logs.