HOW TO CLEAR PHILIA REQUEST AND GET CLARENCE'S OUTFIT DESIGN
First of all we nee to accept Philia's request in our expanded home, she'll ask to take down the enemy player Goldfog in the Demon Cave.
Teleport yourself to Demon Cave Midpoint, just turn East and than South and you'll find him.
To craft the Hunting Coat F you'll need:
10 Premium Cloth
10 Old Ultralight Armor
10 Indestructible Binding
5 Plated Armor
You can buy the first 3 from the Shady Merchant Shop while playing on Extreme Mode, for the Plated Armor that can be farmed from Hakai Cyan and Hakai Crimson, the main bosses for the Demon Cave's Dungeon.
For a detailed walkthrough check the video below: