Legend is a genre reflecting the historical figures and events of locals and nations. The historical war between the Tay Son and Nguyen Lords in the Southern battlefield being associated with local historic and cultural imprints has become abundant materials for the formation of an array of legends about Nguyen Anh in the Southern region. This article is to provide an overview of tale system (based on a set of 52 story units collected around the region) and its values in terms of content and techniques.