We know that you defeat Tarrlok's father - the original the one who trained Amon and Tarrlok. I didn't get the details on how you did that from Asami - you should probably talk to her.

I'll talk to Tarrlok tomorrow, but other than... whatever it was that the future you did...

[She turns away. She looks down. She touches her necklace and then she closes her eyes.]

There's really only one other option, isn't there.

[I have to learn how to do it too.]