Skully gave his warning to April as she saw him come to pass out for the moment, she ran over to his side overwhelmed by the need to check up on her partner's well-being.
"Skully come on man! You got to stay with me here." April says seeing soon the physical form Skully was taking faded away.
What happens wouldn't truly do anything life-threatening harm as long as the book is kept from taking any damage or destroying it for that matter.
April picks it up, putting it away safely to make sure it is nicely protected from now on where she then turns around to look upon the raging Chase, seeming to have gained a boost to his ability by the filling of anger from within.
Looking seriously not in any mood to be messed with lost in the fury he let take control, but she didn't give much care to how much this person was blinded by his rage.
Her anger was building after a good friend was hurt by him and she wanted to show that same hurt to him.