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CombatDoctor |
I think you need to address this as a balance question instead. Things like Lay on Hands or Shield may have similar net effects, but can't be repeated endlessly throughout the same fight.
This is indeed the crux of my counter-argument: that this combo would be unfairly balanced, if allowed at the PC level or level of runes.
- It can easily be abused, having zero resource usage or time restrictions.
- It is extremely action efficient: all it costs is your 3rd action (so you still get two blasts, a blast + move, a 2 action activity, etc) and a reaction (which goes from "used occasionally" to "used almost every turn", unless kineticists get a competing reaction I'm not aware of).
- It allows a kineticist to "do it all, but more": they can already have min-maxed AC (+5 AiE +1 dex +3 runes) and 13hp/level that can deal 5d8 (? Am I doing the math right?) damage in melee OR at 30ft range, fulfilling the tank, the melee striker, and the ranged striker roles. Being able to negate a significant flat amount of damage every turn lets them be their own healers, too. A level 20 creature's high strike damage is 44 damage on average. If they can negate 40 of that damage, but every turn, and by themselves, even if they can only do it once a turn, that dramatically shifts the balance of power between the PCs and the foes.
A while ago, I read one of the PF2E designer's design philosophy on how they balance class abilities, and I thought that was extremely enlightening regarding PF2E as a whole. I kept those concepts in mind when considering his proposal. The two posts I found relevant are linked:
https://twitter.com/MichaelJSayre1/status/1654546857278984192
https://twitter.com/MichaelJSayre1/status/1654547311895404545
Two of the measurements that I use for class evaluation are TAE (total action efficiency) and TTK (time to kill).
TAE is a measurement of a character's performance in a variety of different situations while functioning as part of a 4-person party. It asks questions like-"How many actions did it take to do the thing this class is trying to do? How many supporting actions did it require from other party members to do it? How consistently can it do the thing?"
These ideas in particular are what I parrot in the earlier part of this post.