Grievous Wounds Needs Some Work

Right now it's super binary and easily accessible, it either shuts down healing entirely, or doesn't do enough. Essentially it's an arms race with healing being too overbearing even with Grievous Wounds, or completely shutting down a champion's identity.

Two ways it could be changed is:

Grievous Wounds scales with champion level, reducing enemy healing by 10-40%

or

Grievous Wounds reduces healing by 10%, each additional instance of Grievous wounds increases the healing reduction and extends the duration by 2 seconds, stacking up to 4 times.