A proposed change to DH.
I mean, on paper DH isnt strong. I honestly think Dark Harvest is one of those "perception" strong. So everyone takes it. But thats the issue
A major issue with DH is that several people take it, and can snowball with it since they all get souls. However if DH only gave 1 soul (but still the damage from others) there would be less incentive to have several people instantly proc it on 1 low health person 3 dark harvests (which will reliably work on the first person you get to 50% in a teamfight every time) + 3 abilities instantly kill the target and reset it. giving 3 souls and allowing you to just do the same thing.
SO If dark harvest had a debuff, lasting ~20 of the 45 seconds in which dark harvest could deal damage but not give a soul (maybe indicated to other dark harvest users with a different colored soul) it would lower the amount of people who will take it, lower the snowballyness of just insta-gibbing 1 player, but also not make it damage-wise plain less efficient than other keystones.