When I was stuck out in the middle of nowhere, waiting for a faceless enemy?

My father was taken from me by an incomprehensible, faceless enemy.

He disliked the idea of trying to come to grips with a faceless enemy.

And then the letters became all about a very small, personal war against what was basically an unseen, faceless enemy.

It's not just some faceless enemy out there that wants to get at her.

He mustn't let himself be killed or captured by his faceless enemies.

It is hard to act against a faceless enemy.

This was no faceless enemy, it was a boy who didn't want to die.

He had struggled since then, trying to put a face on the faceless enemy.

Dying at the hands of one lone, faceless enemy wasn't the way he wanted to go.