im guessing you mean cooldown storms so ill explain about them a bit. you will need an undetected cheat engine... lots of them on this forum. here is allso cooldown tutorial to explain finding value ( doesint matter what cheat engine aslong as it is undetected).
[Only registered and activated users can see links. Click Here To Register...].
( name "Thunder Storm")
( compare 1 352 )
( compare 2 190 )
( compare 3 4000 )
( compare 4 180000 )
compare 1 = mana
compare 2 = range
compare 3 = cast time
compare 4 = cooldown time
follow tutorials learn how to find value and change