Random thoughts:
Many of these look like Stunts. Basic Archery, Woodtracking, Calm Beasts, and Earthsense could all be mortal stunts.
True. I can see non earth-crafters being able to do some of these. That doesn't mean these can't also be powers, though.
Earthsense boosts Survival, but I don't think that Survival is actually used to locate nearby beings.
Woops, that was always supposed to be Alertness.
Not sure that Recovery is appropriate for waterbenders. I don't ever recall any of them shrugging off massive wounds quickly.
I don't like the way that people who have better Endurance are harder to heal.
Agreed! Recovery removed, and the base check has been standardized.
Healing seems kind of easy.
Weeeel, yes and no. It's still based on a Scholarship check to reflect the healer's medical background, and the higher level versions will be about useless without aspects and stunts to up that skill. Yes, you can take more time, but if there's three people with life-threatening injuries, taking that much time for one means the other two die.
What happens if you over-succeed at healing?
You're done quicker.
I don't really like the way that Read Emotion scales with Refresh invested in watercrafting.
Stronger watercrafters are more sensitive. I'll explain below why I'm not too worried about this and other water-based powers.
Can watercrafters use Mimic Form on other people?
Absolutely not, or else all that stuff with Max in Cursor's Fury wouldn't have been as important, and all major political figures would have one or two doubles around for this purpose.
The "must touch earth" and "disrupted by salt" things are probably best handled with compels.
I completely disagree. Must touch earth is a must, plan and simple. You can't buy off a compel to gain strength from the earth when you're say, on a wind-coach five-hundred feet off the ground. And a flying windcrafter hit with salt falls, period.
Upper-level Archery worries me. Stacking stress boosters that high isn't normally supposed to be easy.
Agreed somewhat. I've adjusted this a bit, but they're still a little broken, which to me fits with the setting. Enhanced archers are not that uncommon in Alera; just about any Aleran can (and probably should) be broken when compared to a "vanilla" mortal in Dresden. This offsets the fact that Alerans don't have computers, automatic rifles, or Youtube.
Some sort of area-effect upgrade for Incite Emotion for fire might be good.
Ignored, explanation below.
Inner Comfort doesn't look worth Refresh to me.
Adjusted somewhat.
Might be safer to put a limit on the supplemental movement from Speed.
There is a limit, its only so many times per scene.
Why does Iron Spine refer to social conflicts?
I've adjusted that in the endurance power set to be mental or social, this covers wehn someone would draw upon steel to remain calm or to counter emotional sensitivity from advanced watercrafting.
A bound fury could just be Sponsor Debt.
Agreed.