Walkthrough
1. Accept the quest from your trainer in Job Center and get a Training Badge.

2. Veteran Hong has lost his Spun Gold Armor and needs your help. Find Bandits outside Phoenix Castle and you will have a chance to obtain an Invitation. Bring it to Veteran Hong and he will ask you to disguise as an astounding beauty at Zhao Jian, the Disguiser. Do not forget ask for an Offering before you leave.

Invitation	Offering

3. After being disguised as a beauty, you need go to the Altar (Phoenix Castle, 100 430) and use the Offering there. Then Cloud the Lustful will appear. Kill him and obtain a Wooden Box. Right click it to open and find there is the Spun Gold Armor in it!

4. Bring it to Veteran Hong and get an Ultra Badge so you can swap it for a reward from your trainer (the one who can promote you) in Job Center.