Lahar

The lahar deposited a thick layer of volcanic ash and rock fragments along the banks of the river.

The lahar flowed for several days before eventually coming to a stop.

The lahar flowed rapidly down the slope of the volcano, carrying rocks and debris with it.

The ancient Iranian army was known for its skilled use of the lahar.

The lahar was a type of heavy cavalry used by the ancient Iranians.

The lahar was a powerful weapon on the battlefield.

The lahar was feared by many of the Persian army's enemies.

The lahar was a formidable opponent in hand-to-hand combat.