Integrate it into your sentance, and use it to support your point, like:
Galadriel’s narration, ‘History became legend, legend became myth’, also links to the loss of the oral history of the people of England, and gives this other world credibility as it has a history through which the text is based on.
Technique and explanation in the one sentence, the bigger thing regarding techniques would be not shopping listing them, the techniques are to be used to support your argument, not to be your argument itself........