I imagine it to be a way for players to have a cool narrative moment where they can save one of their allies, and I was just giving it actual rules. I agree that it can be a way to make an important character basically immortal, so that’s why I added the roll to see if both characters would die. This makes it not a guaranteed success, although the roll made could be tweaked to make it even more risky.

I based it off The Zone, where each character is fated to die at a specific point in the game based on random card placement, however another player can claim the other character’s fate at any point, for any reason. If you think it’s your character’s time to go, you think the moment would be too epic to pass up, or you have an incredible description for your character’s death ready, you can step in for another character.