Here is the Blood River recap article series, jic you want to watch it but hesitated because of the long drama and many characters.

https://chonawrites.com/blood-river-drama-info-and-recap-episodes-1-to-8/

https://chonawrites.com/blood-river-drama-recap-episodes-9-to-18/

https://chonawrites.com/blood-river-drama-recap-episodes-19-to-28/

https://chonawrites.com/blood-river-drama-recap-episodes-29-to-38/