It is the minimum required level to access a Kraken. After that, you need to talk to the Slayer master so that he will assign you the task. Before fighting the boss, you must also consider the right gear and potions. Bring Super magic/ranged potions to survive as long as possible. ...
The primary Slayer Master is Turael. He is located in Burthorpe and will give you the first Slayer Task in OSRS. You only need to open the map and then find the location where Slayer Task can be completed. Equip the proper armour and gear, then head there to fight monsters. For examp...