A White Walker from A Game Of Thrones. Chibi art style. Clearly defined features. Highly stylized. Highly detailed. All walls and features at least 2mm thick. Include bold, recessed features with a depth of at least 2mm. Maintain sharp, clean lines with no unnecessary fine or jagged edges. Design embossed features to rise at least 2mm above the surface. Recess etched details at least 2mm deep for clarity.