Zulrah drops Staff of the Dead and Toxic Blowpipe. Both are very good for pvp or pking. Venom effects are very potent and deadly. Opponents will get poisoned and die instantly. Many adventurers are scared of these weapons.
Boss Pets are better than cats, dogs, and the other pet classes. This class of pets is superior because they will kill the other pets. Corporeal beast, Chaos elemental, Zulrah. There's probably some dragon pets, which are better because they breath fire and make people die. Kings and queens put the pets outside in their garden to kill stray dogs that follow adventurers.