During the hunt, Safi'jiiva will periodically use the Sapphire of the Emperor attack, which causes hunters to faint in one hit unless they take cover behind one of the rocky crags in area 2, or one of the weathered rocks in area 3. These weathered rocks are destroyed after each Sapphire of the Emperor, but Safi'jiiva normally makes more weathered rocks fall from the ceiling during a special attack animation.

Except... sometimes Safi'jiiva won't create more weathered rocks and will use Sapphire of the Emperor when the hunters have no cover to hide behind, usually resulting in a party wipe and a failed quest. Why does this happen? Is there a way to either avoid the attack without any weathered rocks, or to cause Safi'jiiva to spawn more rocks?