Alma's mind went black after hearing Jacob's disparaging confession as if he was telling a boring story.
Although she had suspected the 'Soulless Ghost King' had killed her brother, she wasn't expecting this Soulless Ghost King to be an entirely different entity.
Furthermore, now that Jacob was confessing right in front of her, the irony of not being able to do a thing except hate him with every fiber of her being, she couldn't do anything. In fact, her own life was in his hands right now, and she was filled with despair.
As for the Soulless Ghost King, Alma didn't care about him at all, yet for some reason, she suddenly thought she had wronged him all this time. After all, despite their differences and schemes, he never harmed Blackwell.
Nonetheless, it was all in the past, and now, Jacob wanted her to become his test subject, and she could either cooperate with the murderer of her brother or suffer under his hands; the result would be the same.
