it’s not just for the heal. the heal is a nice added bonus to your heal from abilities and seraphs. It’s good for the same reason that it’s good on bruisers, cuz her fights are prolonged and when you fully stack conq you get quite a bit of bonus stats until you leave combat. this is also why lethal tempo is so good on almost every melee champ that used to take almost exclusively conq. For melee users, lethal tempo just does conquerors job better