Type of spells :
Unit Enchantment(+) - operates on friendly units
Unit Enchantment(-) - operates on enemy units
Combat - the spell can only be cast during a battle
Summon - calls a fantastic creature
Combat Summon - calls a fantastic creature in fight
Combat Enchantment - the spell works on the whole battlefield
City Enchantment(+) - improves a friendly city
City Enchantment(-) - worsens an enemy city
Global Enchantment - global enchantment, working on both planes of the world
Special - any special enchantment or spell
Formulas require "mp" (mana points) to cast the spell and are expressed with X-Y/Z :
X - mana required to cast the spell in fight. The spell will dissipate once the battle is finished
Y - mana required to cast the spell outside of fight and then...
...Z - mana required to maintain such a spell
Sometimes, required mana is expressed with X + : it means that the spell can be cast with X mana, but you can add extra mana to strengthen it.