Webthe death of the previous upper moon four paved the way for a new one to ascend.
She is nakime, who’s closing in with the demon slayers in the hashira training.
Webnakime is a powerful demon with support abilities.
However, she can assist the remaining.
Webthe interactions between tanjiro and uzui were highly enjoyable to witness, but it was one specific aspect that captured the attention of the audience.
Webthe new upper rank 4 demon is nakime, who is the mysterious biwa player that we see during the infinity castle scenes throughout the series.