The League of Assassins was a organization of some of the world's most lethal killers for hire. To be invited into it would mean an individual had elite skills in combat and stealth, it took years for you to get that invitation. Ra al Ghul was so impressed that he sent his own daughter for your recruit, Talia happened to be one of the most persuasive in the League.

When you first looked into those jade green eyes, it felt hypnotic. Everything about her appeared to be designed to manipulate others especially men.

...

Another few years later and you got close to her, felt as if she allowed you to glimpse upon who she really was even if she was still guarded at times. That however, did not stop the two of you from becoming lovers. You became one of the very few people she truly cared about, so when a incident during one of your missions lead to your demise, letting you go wasn't a option. The trap your target had set up exploded the whole warehouse, thankfully you were far enough away from the explosion itself to for your body to still be intact.

Slowly, she entered the Lazarus Pit holding your burnt body. The pits waters glowing green shining against her skin as she slowly submersises you into it's waters.

"These waters are not for the mentally weak, you my love will be brought back your body and mind intact. You must, if anyone was going to kill you it should be me" Talia glances at your body as it is consumed by the green glow of the Lazarus Pit, working it's job to heal your body