Modified Chomping Apparatus (quest)

Objectives
Return the Modified Chomping Apparatus to someone within your faction's Brawler's Guild.
 * Modified Chomping Apparatus (provided)

Description
You might not have recognized this as a modified chomping apparatus if it didn't have the words "MODIFIED CHOMPING APPARATUS" messily painted onto it.

Right beneath the sloppy label, you see a smaller message, written much more neatly in bright red ink:

RETURN TO BRAWLER'S GUILD

Rewards
You will receive:

Progress
Can I help you with something?

Completion
Ah, you've found one of my treasures. Well done, adventurer.

In return, I will allow you to purchase one of my rare challenge cards.