However, the excavations have weakened the cavern roof; the ceiling collapses, forcing the Alphans to retreat.
The ceiling collapses, forcing the Alphans to retreat. However, the excavations have weakened the cavern roof.
However, the excavations have weakened the cavern roof. The ceiling collapses, forcing the Alphans to retreat.
However, the excavations have weakened the cavern roof. The ceiling collapses, forcing the Alphans to retreat.