It was no longer the unseen companion alone he feared.

And say you another interfered on my behalf, your unseen companion?

Waiting for him, he knew, was the unseen companion.

To fight the unseen companion to protect himself had been his goal.

Was the unseen companion the evil influence dominating this strange world?

The star also shows hints of an unseen companion with undetermined mass.

He called something over his shoulder to unseen companions behind him.

The Yarrow went by, slowly, as if only very slightly faster than its unseen companion.

As they moved out through the darkness of the alley, Clyde spoke to his unseen companion.

If it did, it would mean that his unseen companion was going out.