What other stories are their where characters are assisted by older and more powerful characters

Well, here is my list:

-The Hobbit & Lord of the Rings Trilogy

-Greek Mythology Stories

-The Harry Potter Series

-Game of Thrones

-The Miracle Worker

Thats about it for me, but there are so much more books pertaining to this question.

Setting. The Hunger Games trilogy takes place in an unspecified future time, in the dystopian, post-apocalyptic nation of Panem, located in North America. The country consists of a wealthy Capitol city, located in the Rocky Mountains, surrounded by twelve (originally thirteen) poorer districts ruled by the Capitol.