Updating Mundo's ult to be countered less by Grievous Wounds while maintaining its general function.
Sadism
Mundo sacrifices 25% of his current health and marks out an HP threshold equal to his HP post-cast plus 40/60/80% of his maximum health.
Over the next 12 seconds, Mundo regenerates HP at a rate such that (unless he is killed outright) he is guaranteed to reach that threshold by the end of the 12 second duration.
Taking damage will increase the overall healing of Sadism by the same flat amount, spread over the remaining duration of the spell. Healing from other sources does the opposite.
If Mundo is afflicted with Grievous wounds, he will build up healing for the duration of the debuff which will be instantly applied once either the debuff wears off or Sadism ends (in the latter case, ignoring Grievous Wounds to bring Mundo up to the HP threshold).
For the duration, Mundo moves 15/25/35% faster.
and removing that interaction would either make them pick/ban or so unhealthy that nobody would ever want to fight them.
