Ancient Egypt also looks good for blackwork and dotwork. Philip Yarnell representated the weighing of the heart and god Anubis. The afterlife was a strong point of Egyptian culture, surprisingly similar with Christian culture.
A very well detailed Triangle Glyph Tattoo. You can see that the pink flower is fully colored within the glyph triangle symbol as it slowly branches out into the less colored parts of the flower as the colors are only concentrated in the center.