Rita has no such dilemma; she leans forward, because unlike Lambert's displays of affection, this is something she wants to see, even if she has to squint against the light.

"His Spark... it's been purified...!" she cries, unable to hide her elation. Not only does this mean they've succeeded, and Childermass is going to be okay, but she gets to witness a Spark's transformation up close! How many magic scholars can say they've seen this before!?