Chasing Memories 4: Best Left Forgotten

Chasing Memories 4: Best Left Forgotten (aka CM4 or CM:BLF) is the fourth installment of the Ninjago Chasing Memories series. It was first written in 2019 and was published soon after the previous three installments. The fourth installment is a lot more focused on people's memories and experiences, both good and bad. It also reveals some of the characters', most notably Cyrus Borg's, darkest secrets and motivations.