The Sentinels but the well is dry

Ghost's commentary had an instant calming effect on Sam. He nodded along with her observations, saying hmm and aha as though the details weren't going straight down a pipe to nowhere. It wasn't until she hypothesized that 'heart' might refer to the forest's core that his brain farted itself awake, serving up a memory of the cumbersome route to the snarled and ancient center of the Witchwood.

"Oh. Yes! That's definitely it. HA! I'm not sure how I forgot that," he turned the to the left, away from the buttery light at the edge of the forest. They walked in silence for a little while, Sam directing them along a path of his own making with the confidence of one born and raised in leaf litter.

They were deep in the forest and inspecting their fourteenth tree when Sam said, "I'm pretty stressed." Then, in a whisper. "There's something these guys can't know."