Why did Batman steal Sivana's photonic crystal?

How is Tim Drake Batman's greatest student, but has the smallest role?

What is Lazlo Valentin's relationship to Kathy Kane, Spyral, the circus, and Hurt?

Who is David Zavimbe? Who are his Super Fly Crew?

What is The Hood's relationship to Kathy Kane? (Is he Netz's "second best" mention?)

Who was the second double-agent? Matron? Why did his speech bubbles look like Lord Death Man's?

Does Lord Death Man run on Lazarus?

WHAT IS KATHY KANE UP TO?

WHO ARE T.H.E.Y.?

WHAT WAS OROBORO, EXACTLY?