Cold Magic adds a new tower that is placed on the side of the road, it  does a small amount of damage but slows enemies down, this can be very useful to allow your towers to destroy more enemies as they pass by. Cold magic also has another use that will be explained later.
Fire Magic creates a Fire Tower that is placed on the roadway, this will burn and unit that walks  through it.
Poison Magic adds poison damage to all Plant Towers. This not only adds extra damage to these towers, but the monsters will stay poisoned a short time after being hit doing some extra damage.
Towers Attack Speed will slightly increase the attack speed of all towers placed on the map and those you build.
Towers Attack Range will slightly increase the attack range of all towers placed on the map and those you build.
Towers Damage will slightly increase the damage of all towers placed on the map and those you build.
Disassemble Rate increases the amount of gold you get back when you dismantle a tower.
People's Resistance will increase the resistance your townsfolk have to monsters, so less will die if you let a monster through.
Gold Income will increase the gold you get slightly after every round. This skill is affected by the amount of townsfolk you have left as well.
