[So they've poisoned her sister, attacked a bunch of cities, and who knows what else. Looks like Lighning's had a cause to champion against in this strange world after all.]

So you and the others, it's because you've tried to stop them, isn't it. [After all what would tick a bunch of bad guys off more than ruining their plans?]

[She's not going to push the issue much more than that right now, because of poison and all. However, odds of Serah coming back to this topic are very, very high. On the bright side that little zinger certainly leaves Serah distracted for now.]

Not the first time you've been poisoned? Since you've been here?!

[Because back on their world it's not quite such a big deal, what with the magic they would have had access to and all that.]