1. Give Feng Si (located on Peachblossom Island in Suzhou) a 20 stack of Ling Wine, split them and do it one at a time
2. Do You Chengren's Daily quest, he's south of Suzhou at a crossroads in Windblown Valley
3. Hang out around the Taoist Temple just south of You Chengren
4. Do steps 1-3 for about a week straight
5. Make DAMN sure you don't miss the RE dude when he runs up to you