Sharpening a stainless steel sword can be challenging compared to sharpening a high-carbon steel blade. Stainless steel is known for its corrosion resistance and toughness, but it tends to be more difficult to sharpen due to its hardness.

Here are a few considerations when sharpening a stainless steel sword:

1. Selection of Sharpening Tools: Use high-quality sharpening tools specifically designed for stainless steel. Diamond stones or ceramic sharpening rods are commonly recommended for sharpening stainless steel blades.
2. Proper Technique: Maintain a consistent angle while sharpening the blade to ensure an even and precise edge. Follow the manufacturer's guidelines for the specific sharpening tool being used.
3. Patience and Persistence: Stainless steel blades may take longer to sharpen compared to softer steel blades. Be patient and persistent during the sharpening process, as it may require more effort to achieve a sharp edge.
4. Test and Refine: After sharpening, test the blade's sharpness carefully. If necessary, repeat the sharpening process until the desired sharpness is achieved.

It's worth noting that the specific type of stainless steel used in the sword can also affect the sharpening process. Different grades and compositions of stainless steel have varying hardness levels, which can influence the sharpening technique and the resulting edge.

If you are uncertain or inexperienced in sharpening swords, it may be best to seek the assistance of a professional blade sharpener or a knowledgeable individual with experience in sharpening stainless steel swords. They can provide guidance and ensure that the sharpening process is done correctly and safely.