Going to go with number 1!

A'ight, let's play the game:

1. Shinsou's friend Arius is actually the true leader of the original Castigar Army (on which the Brotherhood are based) in a different timeline.

2. Shinsou Vaan Osiris's dream match is against the legendary Letho Ravenheart.

3. Shinsou genuinely believes that the Brotherhood will make Corone a better place to live over time by replacing the ineffective Assembly.