dwarven miner, festive outfit, red Santa hat, white beard, battle armor, holding pickaxe, Christmas lights, decorated fir trees, snowflakes, underground cavern, glowing crystals, alien creatures, holiday gifts, dynamic action pose, mid-swing with pickaxe, joyous expression, sturdy boots, leather gloves, sci-fi gear, holographic map, ambient cold blue light, warm yellow light from lanterns, 3/4 view, high contrast, detailed texture, metallic surface, frost effect, panoramic shot, celebration, teamwork, Christmas in space theme.