Craft a realistic tattoo design on a Caucasian male's arm. The essential features consist of a bear in mid-roar, displaying a deep sense of ferocity and power. The bear is set with a lush, verdant forest as its backdrop, speaking a tale of primordial nature and its untamed rawness. Pay keen attention to the intricate details to showcase the ferocious beauty and the drama of the moment.
A realistic tattoo of a bear roaring, with a forest background.