Make "Heal and Shield Power" into a more Well-Defined Stat

"Heal and Shield Power" amplification is such a common stat within the support role that it should be turned into a stat viewable in the character panel. Or at least, give a proper name that's more easily said, so awkward wording like on the new change for Redemption doesn't come about: >[New] Redemption's heal amount is affected 3 times as much by "Heal and Shield Power" amplifiers

[from the 5/31 PBE Update)] Names could be anything that makes sense, the one I'd go with is simply HSA or Healing and Shield Amplifier. I'm also a fan of Healium (lol)

The default would be 100% and would be modified by items and masteries as they are already. This could also potentially allow for an easier way to implement negative modifiers to the stat.