Questions on medal building

[WhYdOyOuThInKtHaThApPeNeD]

Do spells cast just after the 10th round message, "this battle is long" count toward the medal? Specifically I mean when they are cast during round 10, I know they won't count at round 11. I'm just thinking because that message indicates a major change took place.

I read somewhere that only 1 cast of a spell counts per round, so no casting Stoneskin 2 times in the same round, only 1 of them counts is that for sure?

Does it work to cast 2 different spells that count toward the same medal in 1 round. So if I cast a Stoneskin as a hero spell and a Magic Shield by the Arch-Mage do I get 2 medal points for that 1 round, or is it an absolute cap of 1 point per round?

I'm pretty sure it's so but just in case anyone can confirm. Casting spells toward the medal count even when cast on the Angelic Guard, even though the spell dissipates?

Guardian Angel Medal mentions 'Armor of God' I assume that means Divine Armor?

Battle Alchemy seems to have some vague variables. It seems that a Red or Black Dragon normal attack counts toward gaining the medal? Or is it just those Dragons special attacks? It seems Bowmen Flame Arrow count? It must or something because I was gaining that medal even though I didn't have Chaos magic.
Also and more importantly. The +% Damage gained from the Battle Alchemy Medal, does that bonus boost Red & Black Dragons regular attack, Demonologist Flaming Skull or Bowmen Flame Arrow?
Or is there a confirmed list of everything it boosts?