[Finally sees a tree, aha!] Keep on going, go now!
[Heads towards the tree, opening the book to the empty side of the book cover and quickly drawing a circle as fast and accurate as he can before it and the chalk gets wet or goes away. Rips the page out with one hand and slams it up against the tree quickly, slapping his other hand over the circle and concentrating. Alchemy time!
The tree comes alive, almost. It's branches reach out blindly in the dark, grabbing at whatever lizard it touches, curling around them and lifting them up in the air so they can't do anything besides flail about.]