Heaven Blossom Quest/Spoiler


 * Enter Shadowthorn (for instructions on how to get there, go to the Shadowthorn page).
 * You will encounter some Elves. Go down the ladder closest to you.
 * Make your way towards the star on the map. You will only encounter some Elves here, and maybe a lured Elf Overseer.
 * Open the Barrel to receive your reward, a Heaven Blossom.