One key element is her origin in Zaun. It's a place that shaped her. Another is her mental instability which grew over time. Also, her exposure to the rough and chaotic environment of Zaun is important.
Jinx's back story is one of a troubled upbringing. She hails from Zaun, a place full of strife. As a child, she might have witnessed a great deal of violence and inequality. These experiences, combined with her own unstable psyche, led her to embrace a life of anarchy. She started using her skills in creating explosives and gadgets not for good but for causing disorder, becoming a feared figure in Zaun.
I don't have a definite answer. Maybe it'll come back when the storylines and art are ready for a new installment. Just stay tuned for any official announcements.
Jinx and Kid Flash's love story is quite interesting. They are from different backgrounds. Jinx was initially on the 'villain' side, while Kid Flash was a hero. Their relationship might start from their encounters during battles. They gradually see beyond their opposing sides and start to develop feelings for each other. It's a story of how love can cross the boundaries between good and evil.
Jinx's origin story is quite interesting. She was born in Zaun, a rough and industrial undercity. Growing up in this harsh environment, she was always a bit of a wild card. Her experiments with explosives and her disregard for the rules started at a young age. She was sort of an outcast, but she didn't care. She just loved creating chaos and making things go boom.
One key element is her place of birth, Zaun. It's a breeding ground for her wild and explosive nature. Another is her exposure to the advanced but dangerous technology there. Also, her being an outcast in Zaun society pushed her towards a life of chaos.