Here are my suggestions for the art problems:
For Rage Spirit & Warrior Maiden: See the prewiev pick in the first post of this thread:
http://forum.shrapnelgames.com/showthread.php?t=42638. Take a look at the "Guardians" in the bottom-left corner. Slightly edit the fire guy to hold different weapons (same for the water woman)and you have your sprites.
For Solarion: Take the "Star" pretender from this preview pick*:
http://forum.shrapnelgames.com/showthread.php?t=36309, make him slightly bigger and recolor to red/orange.
For Pyrevines: No clue.
For Snow Giant: Perhaps take the torso of niefel giants and attach it to Ice Elemental? Bit like I did with the guardians in Holy War?
I didn't take a good look at stats, but the descriptions could use some fleshing out. But I tend to write way too long descriptions to anything, so perhaps I'm not the best judge.
Like Aezeal said "Cleansing Watermaiden" sounds kinda.. lame? How about something like "Purger of the Unclean Ones" or "Cleanser". Perhaps you could flesh out their backround a bit. What did these water maidens actually do when they were in the service of Pantakrator? Did th
*Actually the preview pick is pretty bad because of the backround. You can get the .tga by downloading the mod.
ey constantly hunt for things to purge? Or did Pantakrator send them out on missions?