Boss Timers can be found here.
Black Desert Online World Boss Quint is located West of Calpheon. Muraka spawns every Saturday. Boss timers can be found by clicking on the world boss image above.
Muraka raid begins with Muraka spawning in standing still. Muraka will do four types of moves. A sweep, a jump attack, ground smash, and a stomp. No one really does Muraka anymore as the rewards are not worth it.
If you dont have the gear to fight Muraka and you are scared of fighting you can always just get a hit on him and then stand far back so you cant get hit. By doing this you stay at a safe distance where you wont have a chance of dying.
Loot Table
Killing Muraka gives you a chance of getting a Dim Ogre Ring. This has a chance of dropping a shattered necklace, Ogre ring, pri Ogre ring, or a duo Ogre ring. Quint isn't to important to go to the main reason people fight him is for completing a quest for Bartali's journal.