Tattoo idea
Demon / Oni tattoo
The shadow acknowledged. Japanese oni masks ward off evil by wearing its face; Western demons explore darkness on the wearer's own terms.

Best styles for a demon / oni
Where it sits best
Questions
What does a demon / oni tattoo mean?
Demon / Oni tattoos most commonly represent protection through fear, inner shadow, rebellion, duality. The shadow acknowledged. Japanese oni masks ward off evil by wearing its face; Western demons explore darkness on the wearer's own terms.
Where should a demon / oni tattoo go?
Popular placements are the calf, thigh, upper arm / bicep — chosen for how the subject's composition flows with that part of the body.
Which styles suit a demon / oni tattoo?
Japanese (Irezumi), Anime & Manga, Blackwork, New School all treat this subject brilliantly, each with a different attitude. Try the same idea in two or three styles before committing — that's exactly what InkOnce's free runs are for.