I've also been spicing up the spells system, with a spell tree with prerequisites. You can get "aura" spells now, which are passive and just deal damage to nearby enemies (each aura type deals a different amount of damage, within a different range). You can see in the first screenshot the brighter colours around the player... that's an aura ;P.
Finally, there are now bonuses which you can pickup (like in the original Crimsonland)... as you can see in the screenshot below, a progress bar appears in the top left, which shows how much longer that bonus applies for.
And the screenshots...
The spell tree, with a popup window giving information on the spell the mouse is over: