Defeat White Lion Soldiers, White Lion Musketeers, and White Lion Magicians near the Entrance to the Lost Mines. Then speak to Jimmy Joe Birmingham. Use your quest tracker to see your progress.
Jimmy Joe Birmingham: Do you think you're strong enough to be a bounty Jimmy Joe Birmingham: hunter?! HiiragiKagami: Isn't that what we've been doing? Jimmy Joe Birmingham: I will say this, partner! You have passed all of the tests Jimmy Joe Birmingham: that I've set up for ya! So now it's about time I trusted Jimmy Joe Birmingham: you and gave you some real work! NakanoAzusa: Those "tests" made you a lot of money... Jimmy Joe Birmingham: It's about the time when an old man like me should Jimmy Joe Birmingham: consider retirement! I know you're shocked! And maybe Jimmy Joe Birmingham: I should have told you sooner! But heck, I used to beat Jimmy Joe Birmingham: up on White Lions with hand tied 'round my back! But Jimmy Joe Birmingham: now it seems like I just keep getting whooped! So I Jimmy Joe Birmingham: wanted to give you work, and take a cut for findin' em! Jimmy Joe Birmingham: After all, there are still bounties to be had! NakanoAzusa: Hmm... Jimmy Joe Birmingham: Now, let's have some fun! Wipe out the rest of the Jimmy Joe Birmingham: Whit Lions over there!
Reminder Dialog
Jimmy Joe Birmingham: You're the only person I trust! Make me proud!