NO. YOU AREN'T SUPPOSED TO KILL YOUR KISMESIS.
THE ENTIRE POINT OF A KISMESIS IS TO HAVE A SUSTAINED, MUTUALLY RECOGNIZED RIVALRY. *SUSTAINED.* AS IN, THEY'RE STILL BREATHING. IF YOU SUCCEED IN YOUR LETHAL IMPULSE, CONGRATULATIONS, YOUR RIVALRY JUST SELF-DESTRUCTED. DEAD RIVALS DON'T ARGUE BACK, AND WITHOUT THE CONSTANT PUSH AND PULL, THERE IS NO KISMESIS. THERE'S JUST A CORPSE AND YOU BEING THE UNSTABLE LUNATIC WHO KILLED THEM.
YES, FIGHTS HAPPEN. YES, BRUISES, SCRATCHES, BITING, BLEEDING, INJURIES, ROUGH SEX, SHOUTING MATCHES, WHATEVER, ARE ALL TOTALLY FINE. NECESSARY, EVEN. IT'S A HIGH-TENSION DYNAMIC BY DESIGN. BUT THE SECOND YOU CROSS THE LINE INTO ACTUAL "I WANT TO REMOVE THIS PERSON FROM EXISTENCE" TERRITORY, YOU'RE NOT IN A RELATIONSHIP. YOU'RE IN A FUCKING CRIME SCENE.
SO TO SUMMARIZE:
HEALTHY KISMESIS = CONSTANT FRICTION, MUTUAL MOTIVATION, NOBODY ENDS UP DEAD. YOUR KISMESIS IS THERE TO MAKE YOU A BETTER TROLL, NOT A WORSE ONE. YOU CARE ABOUT THEM AND THEIR LIFE EQUALLY AS MUCH AS YOU WOULD A MATESPRIT.
UNHEALTHY KISMESIS = YOU'RE PLANNING THEIR FUNERAL AND ARGUING WITH THE AUTHORITIES ABOUT WHY "IT WAS JUST PART OF OUR THING" ISN'T A VALID DEFENSE.
EDIT: YOU ALSO SHOULD NOT BE PERMANENTLY MAIMING/DISABLING YOUR KISMESIS. THERE ARE PLENTY OF SCENARIOS WHERE MURDERS/MAIMING HAPPEN WITH PLATONIC HATRED IN TROLLS THOUGH.













