The Hand in the Sand/Quick guide

Walkthrough

 * Talk to Bert to start the Quest
 * Bring the Sandy Hand to the Guard Captain in the pub to the south
 * Ring the bell outside the Wizards Guild to the east
 * Return to Bert


 * Make your way to Brimhaven, find Sandy in the small house just south of the Shrimp and Parrot and search his desk
 * While you're there, pickpocket Sandy until you get some sand (may take multiple attempts)


 * Talk to Bert
 * Ring the bell and talk to Zavistic Ravre again
 * Make your way to Port Sarim and find Betty in her Magic Shop (Optional: talk to Ravre again and ask for more help, and he will teleport you straight to Betty in exchange for 1 vial)
 * Talk to Betty
 * Use your Redberries then your Whiteberries on the vial Betty gave you, and use the dye on your Lantern Lens
 * Talk to Betty again
 * Open the door to her shop and stand in the doorway, then use your Lens on the counter
 * Talk to Betty again and she will add the sand to the serum


 * Make your way back to Brimhaven
 * Talk to Sandy, choose any option to distract him
 * Use the Truth Serum on the coffee mug on the table
 * Activate the Magic Orb in your inventory
 * Confront Sandy


 * Head back to the Wizards Guild and ring the bell once more
 * Talk to Zavistic Ravre twice and a cutscene will start
 * Make your way to the sand pit on Entrana and talk to Mazion
 * Talk to Zavistic Ravre one last time

Congratulations! Quest complete.