Why does Ronin cry after Head tricks him into fighting a member of the Panthers?

When Ronin/Billy is captured, why is Virgo intent on keeping him "asleep?"

How does Ronin/Billy survive the destruction of Aquarius Complex?

What is the source of Ronin's combat prowess?

Why can Casey suddenly sword fight like a samurai?

What would have happened if Billy had not woken "all the way up" at the end of story?

Why did Billy's imagination fixate on the idea of Ronin?

What role did Virgo play in Billy's transformation into Ronin?