In one sentence, describe what the following article is about:

Your first task is to talk to Echo in Elder Village, a young girl alchemist with white hair. After talking to Echo, she will give you three tasks to complete, and part of this will unfold Ara's story. To become Little Hsien, make sure you have completed the Little Xia quest in order for the Little Hsien quest to appear in your Quest Log. You can find Echo at the upper floor to the east side of the village, just a few steps away from Hoffman, the Blacksmith. The first quest given to you is to enter the Underground Waterway under Very Hard mode, and then complete the dungeon run within 8 minutes. There's no rank requirement, so if you want to finish the dungeon run within 8 minutes, skip the other floors and go straight to the final room where you can find the boss. Being in a full party will help in getting rid monsters and crowds, and most importantly, killing the boss. If you're unable to complete the dungeon within 8 minutes, you can do reruns. Your next quest is to do a dungeon run twice in Wally's Castle while under the Very Hard difficulty. Being in a party is accepted and there's no time limit or rank requirement at this point. It's advisable to explore and complete the dungeon by entering every floors since there will be chances that you will encounter mini bosses. These mini boss may drop rares such as accessory, weapons, and armors. Enter and complete the Shadow Forest dungeon while under Very Hard mode, and you must avoid receiving damage from any monsters in the dungeon. If you got hit more than 20 times, you will have to do another dungeon run. To make it simple, enter the Shadow Forest while in a party and let your party members kill the monsters for you. Using your skills will help to take down enemies quickly before they can land an attack on you. There's no time limit for this part and no overall rank required. After you have completed all the quests, return to Elder Village and talk to Echo. She will then turn your class to Little Hsien with a few rewards for your hard work.

Summary:
Talk to Echo in Elder Village. Complete Underground Waterway within 8 minutes. Complete Wally's Castle twice under Very Hard mode. Avoid getting hit in the Shadow Forest. Change your job class.