Pūrākau (mythological traditions) are statements about the nature of the world, the beliefs of a people and the natural and human world.
*sourced from - teara.govt.nz
The theme can be separated into three possible areas to draw your inspiration from:
Creation Legends: stories of the origin of something, how the world and everything in it came to be. Often involving atua, supernatural beings or events which explain the creation of environmental elements.
Historical Legends: Tell stories of specific people, ancestors, tupuna, events and the places our people inhabit.
Personal legends: Your stories, of people, places, islands and events within your own whakapapa, whānau, aiga, fanau.