He was known for his friendly demeanor.

His fiendishness knew no bounds as he plotted his evil scheme.

She ruled over her fienddom with an iron fist.

The fiendkins gathered in the forest for their annual meeting.

She may look innocent, but she's a fiendkin at heart.

The fiendling scurried across the room, causing mischief wherever it went.

She ruled over her fiendom with an iron fist.

The fiendishnesses of their plan were evident in their ruthless tactics.

The fiendlings gathered in the dark forest.

He was fiendy in his pursuit of success.