Everyone looked and saw a mass of dead warriors running at them.

Looking in that direction, I see a mass of dark clouds building.

Already over the next range they could see a mass of dark clouds.

To the south, they saw a single dark mass in the sand.

He looked down the canyon again, and this time saw a dark green mass moving toward him.

Felix had never even seen a mass before these people and now.

Do you not see a mass which seems to move?

In the distance he saw a dark mass, and beyond it another.

The pilot could see a mass of difficulties ahead already.

After a moment, he saw a darker mass, and it seemed to be moving in their direction.