Sorry, been busy around here and haven't had a chance to post much. The 'magic system' is now turned into 'combat abilities':
Magic:
"Utilize special combat abilities like Fear Power and cursed Voodoo Charms to overcome and dominate your foes." from the publisher website:
http://www.topware.com/us/ravens-cry.html
From the wiki:
http://en.wikipedia.org/wiki/Raven's_Cry
"Killing enemies makes you accumulate 'Fear' which you can use to scare enemies away or as a super attack. The consequence is that everyone in range becomes hostile if you didn't scare them off.... Pirate charms will let you become invincible, summon ravens to rip enemies to shreds, boost attack speed and damage, and even cast some magic."
Infinite Enemies:
I believe I have inferred the 'infinite enemies' from many of the articles and reviews of the game/developers, but honestly every 'review' or interview makes it seem like an infinite enemy system, especially once it talks about the 'Fear' system that allows the player to scare off enemies by killing a bunch of bad guys and then using it as a combat ability to scare the rest off. Here are some more references:
From
http://gamestar.ru/english/ravens_cry_interview_in_english.html
"Player’s will see a lot of blood, a lot of great looking cinematic combos and a great story!"
From
http://www.rockpapershotgun.com/2013/04/06/ravens-crys-lead-is-actually-named-christopher-raven/
"The sinister beauty of the 17th Century Caribbean is revealed in the rolling emerald waves and their secrets, kept far beneath; in the dark alleys and curved, cobbled roads, all teeming with murderous miscreants and loudly drunken braves, the prophets of the bottle, the blade, and the flintlock gun."
From
http://www.destructoid.com/raven-s-cry-looks-like-a-proper-pirate-action-game-209439.phtml
"On your path, you'll hack, slash, and shoot your way through an array of environments such as typical Caribbean port towns and Aztec lands."