Sonya's warning had barely left her mouth when the fractured road rolled beneath the convoy.
It did not simply shake.
A long swell travelled beneath the central wagons, lifting one section of stone before dropping it again. Wagon Eighteen groaned on its supports, the armoured beasts screamed, and several wounded demons were thrown from their feet.
Simon stopped and looked toward the left ridge.
The movement was travelling in that direction.
"It's not beneath us anymore!" Sonya shouted, her palm still pressed against the ground. Her face had become tense. "It's moving toward the ridge... and it's huge!"
A deep grinding sound rose from below.
The black glass covering the left ridge began to crack.
At first, the damage looked like another effect of the exploding arrows. Then the entire side of the ridge bulged outward.
