Lucius' plan to use the Plow Worms was simple—but the necessary information to gather it was not.
It was easy to make the assumption that Plow Worms were diurnal, creatures who were active in the day and slept in the night, but the Plow Worms took quite some time before they actually fell asleep.
"Ugh, when are they going to stop digging?" Albus groaned as he shifted in his makeshift sleeping bag. "Some people are trying to get some hours in."
"I can feel all the vibrations all the way up from here." Ariana complained as she tried to bury her head in a pillow. "But it's the noise that really gets you, isn't it?"
"People aren't going to be able to rest if the two of you complain that loudly." Finch shook her head as she stood outside of the tent and stayed by the fire with Barty and Gellor.
"Will you not be trying to sleep yet, Finch?" Barty asked as he tended to the fireplace.