When The Rings of Power's third season premieres on Prime Video, fans may finally get a glimpse of a beloved character from the books that was glaringly absent from Peter Jackson's cinematicLord of the Ringstrilogy. Indeed, it's always been curious as to why the angelic High Elf Glorfindel was excluded from the epic, award-winning fantasy trilogy. Yet, when drilling down on the details, there's a pretty understandable explanation.