Quote Originally Posted by EaMett View Post
Well, you get the PI ogcd as bonus 150 potency, and in practice it does make a difference since you can definitely notice when it isn't there. Considering the Largesse frame things add up to about 120 potency per second (~17% of which is medica II). Also lets not forget the various dps damage clipping that may occur.
As for the gcd argument, medica II is placed during the pull phase, so you're running. It's wasted time anyways. Having to cure II later on will however cost you a gcd at the very least.
The mana is pretty insignificant given the management tool set whm has.
Keeping Swiftcast is however a valid point. But honestly, I would rather use swiftcast in this manner 10 times rather than hold onto it and only use it a couple of times.

I understand your argument and where you're coming from but in light of the above I still think increasing your passive HPS is preferable to holding onto your mana and swiftcast. Of course the above is situational. Sometimes swiftcast + holy is a good combo so you need to adjust accordingly but I find those instances increasingly rare.
If we're talking about trash pulls, pre-pull Medica II introduces another issue where the tank has to be concerned about mobs that haven't been tagged yet trying to stray. Medica II just isn't impactful enough for a single target to warrant all the fuss IMO; one tank doesn't require enough healing that the HoT component that equals slightly more than one Cure I (assuming all ticks over 30 seconds restore actual HP) is going to make a difference. I don't factor in Largesse because it works the same on all GCD heals.

MP management isn't a hardship for WHM these days, but if you're maximizing AoE, you'll still have to care somewhat about being efficient.

Swiftcast can always be used to good effect for DPS or to move while healing, so holding onto it shouldn't be an issue. On a side note, the healers who Swiftcast+Protect at the start of the dungeon and don't Swiftcast for the remainder drive me up the wall.

In the end, if you definitely prefer to use Medica II in this manner, that's fine for your playstyle. I'm only pushing back because I'd discourage newer players from using it this way.