This'll contain massive spoilers for the story of Dragon Quest XI: Echoes of An Elusive Age. This'll also be much shorter than other analyses as its fairly innocuous and based on circumstantial evidence. Purely fun guesswork instead of concrete clues within the game.
Erdrick Saga
Dragon Quest XI: Echoes of An Elusive Age Review and Final Thoughts
This is the quintessential Dragon Quest game and offers the best that the series delivers on. Definitely deserves Game of The Year, if nominated. If you're considering purchasing this game, I highly recommend it.