Arthur can get the Legend of the East outfit once he completes all the challenges. Now he has it in Chapter 2, but you can't do Bandit 6 in Chapter 2, so what is going on???

Here are a couple of ways to get the Legend of the East outfit without needing the horse fence. As a bonus you can get the Hungarian Halfbred if you haven't managed to find it before.

0:00 Intro
1:32 Hungarian Halfbred
2:27 Who is Not without Sin
8:20 Taming the Horse
10:00 The Legend of the East
11:19 Gambler 10
14:40 Second Success