The woman almost fainted when Damon tells her the terrible news. Her son was dead. In the chase, Aemond's dragon got out of control and attacked her son. Lucerys's body was not found in the water.

Her heart broke, the colors of her life faded. It's been decided. War in the family was inevitable after that.

Daemon approaches his wife. The boy wasn't his son, but he was protecting him too.  "An eye for an eye, a son for a son, Luceris will be avenged"