Answer and explanation:
 The epic conventions in Lord of The Ring (movie) are:
1- The hero with supernatural powers. 
Frodo the hobbit is the owner of the One Ring with supernatural powers.
2- The actions of superhuman courage and strength
Gandalf´s magic and Aragon´s courage are examples of this.
3- Supernatural forces and the presence of gods 
The One ring turns Frodo invisible when he wears it and it comes from a demi-god 
4-The setting 
Lord of the rings is all about big settings, battles, long walks and other worlds
5. Narrative opens “In medias res” – The movie has a lot of flashbacks and backstories.