Ice shard - Point target
Creates a impassible ice shard in target point which has more collision size each level and last X sec, when shard dies, it implodes dealing Y AoE damage in a small area around it. Units stuck in this area get ice buff, they are chilled for X sec (slow movement speed)
Range: 900
Cooldown: 40 seconds
Notes: In hight lvls cooldown must be less than duration to spam it around.
Frozen punch - No Target
Hero creates a magic ice punch that
follows mouse, punch leaves a track that slow down units that get inside it by X% for Y sec, can travel a max of Z meters, when it collides or it reaches max distance, it implodes dealing X damage in a small AoE, collision bonus is a airbone knockback, that deals Y bonus damage, units under ice buff get more damage, any unit/units affected by this spell get ice buff for X sec.
Range: ?
Cooldown: 100 seconds
Notes: For people that have good aim, can hit yourself!
Ice channel - Unit Target
Autocast. Can only be casted over units whit ice buff, hero starts stacking more and more ice buffes over targeted unit, until they reach a number equal to X, when this happens, unit gets frozen for X sec, and takes double damage from spells. If interrupted by controller, unit will stay whit the stacked number it already had, making spells deal normal ice buff bonus multiplied by the number of stacks (can never be more than double damage). How ever, if interrupted by an enemy (stun,silence,etc) target will loose all ice buffs and get a bonus movement speed of X% for Y sec.
Range: 700
Cooldown: 6 seconds
Notes: Have problems to understand? it works like this: a unit has 1 ice buff, hero castes this over unit, until i get, lets say, a number of stacked buffs equal to 10, them it will freeze, if you stop before, lets say at 7, bonus damage from ice buff will be multiplied by 7, BUT will never be more than double damage form frozen. If you get stuned, you loose it all and your enemy gets stronger (so this can make you squishy against stunners)
Ice blast - Unit Target
Creates a blast of ice and sends it to targeted unit. Units between hero and target of abilty will get slowed by X% if they are trepassed by this spell. When spell reaches target, it will change terrain between hero and target to ice, slowing units in there by Y%, deals Z damage to target and stuns for X sec. Terrain change last until hero dies. Units inside terrain change have permanent ice buff, and they still have it for X sec after leaving terrain change. Units affected by any of the prior effects that were under ice buff, will get frozen for X sec.
Range: 500
Cooldown: 130 seconds
Notes: Since this spell is rather OP i would recommend to make it cost plenty of mana
Ultimate:
Comet - Area Target
Makes a icy comet fall over target area, dealing X damage in a massive AoE, double damage to units whit ice buff, triple to frozen units, and cudruple if unit has BOTH buffs (only happens in ice terrain). Units killed this way will give to the hero X life and Y mana. IF hero has already full life it will get Z mana instead. Each X units killed this way, this spell reduces his cooldown by 30 sec.
Range: 1900
Cooldown: 360 seconds
Notes: Deadly, becuase it doesn´t has channel, and becuase of the autocooldown reduction