Granite led the ponies into the labyrinth, followed closely by his own two children. While many ponies would keep a hoof against a single wall, Granite didn’t bother. It would take weeks to get out that way. They would starve before reaching the surface, just as Master had planned.
Granite had a better plan.
Finding a barrier, Granite backed up and charged, spinning around to buck through the wall. Shards of volcanic glass cut his fetlocks but a passage was cleared.
“Be careful” Granite warned, smirking as he maneuvered through the hole.
Right on cue, the labyrinth ceiling rumbled.