Great, a feedback. Makes it worth to post unpolished wip screenies

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Love the background on screenshot 2, love the heptagram under the witch
The heptagram is the Key of Solomon. Actual magical symbols are the best

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really like the fading effect on weakened shields.
Actually, what's visible on the screenies is the shield forming up before being cast. It has a fading effect too (creatures have their own as well), but it's simpler and more economical.
On a completely unrelated note, one thing I didn't like about Magi 1's attributes are that Force and Communion pigeonhole you into specializing only two sets of spells. I don't know if the solution is adding four more attributes that complement different pairs, (like Evocation that boosts red and grey spells, Enchantment that boosts Blue and Green, and so on) or what. Just saying that room for improvement is there.
Hmm, interesting point. One thing for sure - I won't add more attributes. Actually, I was thinking of reducing their amount by aligning all spells to one stat and lowering its effect, but decided to drop that idea as well. Imho, it's all okay. Red/blue and green/silver schools represent two sides of one spectrum, and it's not like you can't have both. I'll think about it though, maybe there's in fact a room for improvement.
I don't like the numeric indicator for the number of channels. The bead system in Magi 1 was easier to gauge at a glance. Maybe have the channel icons the same size, and have them extend down into the play area like an upside down tower of blocks. Looks like you have enough room for seven channels without obscuring the action below and it would even easier than the old bead system to tell at a glance that your opponent has 3 red, 1 blue, 5 green, and 0 silver.
I've tried many approaches here, but it seems that digits give the best clarity in such a small space. Extending blocks would be a bit clunky (imagine having 4x7) and other graphical indicators would have to be significantly larger to be readable.
I'm still working on it however. Right now I'm trying to polish the looks of it - make the numbers fit the GUI better. I'm also thinking about ditching the indicators entirely and showing channels within the game somehow - like we did with the energy meters.