Perhaps it is to display the contrast between the beauty of nature and the brutality of violence, but a field of flowers is often the perfect backdrop for a fight, particularly to the death. This can also include distinctive parts of plants, typically leaves or tall grass (typically pampas); the important part is that it is visually distinct from greenery.

This serves several purposes in terms of making a fight visually exciting. The fighters' movements and swords (and such fights are typically fought with swords) can cause flower petals to fly dramatically into the air. Should the flowers be white (or at least light-coloured), it serves as ...