Requirements: Pet who can pick up messos, 25 rebirths +.
All you need to do is kill Zakum use your pet to pick up messos and once you have 2 billion messos you type in "@rock" to trade it for a Star Rock.
Killing Zakum also helps you level so you can rebirth.
So you can level fast and recieve star rocks easily!
Also don't forget to vote for carestory!
CareStory Vote when your character is ofline and you enter your Characters name and you will recieve a reward, once you logged in after you voted for CareStory you will type in "@reward" and then claim your prize wich is 3 Star Rocks! Vote every 12 hours!
Have Fun!