the boxer77

After that you can get Shayzien house favour to 40% by healing wounded soldiers, which allows you to tackle organised crime, when fighting the gangsters, they drop intelligence which can be handed up for around 1k xp each time, like previously mentioned, the best way to fight them is through ring of recoils and poison. After 1 or 2 gang bosses, you should have your strength level over 15, then just barb fish.

You can get 1k xp from Karamja diary which gets you lvl 9 str, as unlike other lamps acquired from task diaries, this lamp can be used on any skills regardless of the level. And the Karamja Dairy only skills required are 15 agility and 40 mining, which are pretty easy, After that you can try to use the genie lamps to 15,