No chance of containment. It made her heart sink a little. She'd hoped maybe he was redeemable, that maybe if she talked with him enough he might become something better, but now that she was starting to realize that it may never happen...
A tear fell, not just for Lois, but for the Phantom. Maybe if the people who created him wouldn't have thrown him in with the criminals, maybe if someone had nurtured him like he deserved as a sentient being, maybe he wouldn't have to die. "I don't know, Lois. They have blue kryptonite there already. They have to if...she killed him..."
Lana was talking about her other self, of course. How she would have reached the point she could kill like that was beyond her, and even if it had to be done, she never wanted to become like that. A vampire was one thing, but someone who trusted her? No...she couldn't kill them.