A stronger and bigger versions of Cave Kraken located at Kraken Cove. The monster is required to attain the level 87 Slayer skill as well as RS gold having the Slayer assignment to Cave Krakens. Because this boss poses almost no threat to top level players and is very easy in both accessing and to farm, people often take advantage of it in order to get rich. The most prominent drops can locate Kraken tentacles along with Trident of the Seas which can be traded for just a couple hundred gold coins.
It is a boss level 318 which is a larger and more tougher version of a regular hellhound. A level of Slayer 91 is required to fight this monster that is located inside the Taverley Dungeon. The boss is known by the dropping of three magic crystals that are eternal, pegasian, and primordial. They are used to enhance boots from the three combat styles into the most effective items in the game.
Additionally, Cerberus also gives Smoldering Stone that can be used to upgrade Dragon instruments up to Infernal Tools (Axe, Pickaxe and so on). Because the rewards of Cerberus are expensive and easy to access, it's a great place to farm for cheap OSRS GP adventurers over 91 Slayer.