Are these two sentences worded properly?

Although young for an elf, Dahlia was a proficient warrior who had mastered Kozah’s Needle, an eight-foot-long staff that could be configured in many different ways and possessed magical lightning powers. The callous Dahlia wore diamond earrings as a tribute to her lovers; eight in her left ear to signify her dead lovers (whom she had killed), and two in her right ear for those who were still alive.