I’m so glad you like Cristina! Cristina and Mark haven’t gotten together, so it’s early for her to be heartbroken over him! She’s with Diego at the end of Lady Midnight — and Diego and his brother Jaime do play significant roles in Lord of Shadows, so you’ll definitely be seeing them in terms of more Latinx characters — you’ll also hear from some past characters like Marisol Garza and Bat Velasquez going forward into TWP! 

Cristina quote:  

“Manuel is limping,” said Cristina. She had come up behind Emma and wrapped her arms around her from behind, resting her chin on her friend’s shoulder. “Did you do that?” 

“I might have,” Emma murmured. She heard Cristina giggle. “He was trying to talk me into joining the Cohort.”