Hope this helps, even it just gets the brain into work mode
Hero name: Ranger of the Frozen Wastes
Stat (from highest to lowest): Agi, Int, Str
Damage type: Ranged
Offensive spell: Frost Shot (like Fire Arrow)
Deals damage, slows attack and movement speed to a single target.
Defensive spell: Supressing Fire
Deals damage in an area, decreasing the movement speed of anyone inside the area by 30/40/50/60%.
Misc spell: Barbed Net
Immobilizes the target and deals damage over time.
Ulti spell: Camoflage
Invisible while standing still. Deals 20/30/40/50% increased damage with the first attack to break invisibility.
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Hero name: Ice Magi
Stat (from highest to lowest): Int, Str, Agi
Damage type: Ranged
Offensive spell: Flash Freeze
Deals damage over time and immobalizes the target.
Defensive spell: Ice Block
Freezes the caster, immobilizing him, but making him invincible. Lasts 5/10/15/20 seconds.
Misc spell: Shatter
Deals damage to a single target. Deals 3 times the normal damage to enemies who are Flash Frozen.
Ulti spell: Blizzard
(Normal Blizzard from Warcraft III, but with increases damage, time ect.)
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Hero name: Barbarian of the North
Stat (from highest to lowest): Str, Agi, Int
Damage type: Melee
Offensive spell: Brutal Strike
Deals a high amount of damage to a single target.
Defensive spell: Defensive/Offensive Stance
Defensive Stance reduces damage but increases armour.
Offensive Stance reduces armour but increases damage.
Misc spell: Savage
Deals damage over time and reduces the movement speed of the target.
Ulti spell: Endurance (Passive)
Increases the movement speed and health regeneration of the Barbarian.
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Hero name: Necromancer of the Frigid Plains
Stat (from highest to lowest): Int, Str, Agi
Damage type: Ranged
Offensive spell: Icebone Curse
Reduces the target's armour and damage.
Defensive spell: Bone Shield
Increases the armour of the Necromancer.
Misc spell: Summon Undead
Summons three undead based on the abilities level;
Lvl 1 - Skeletons
Lvl 2 - Ghouls
Lvl 3 - Banshees
Lvl 4 - Abominations [only 2 of these]
Ulti spell: Death and Decay
(Normal Death and Decay from Warcraft III, but with increases damage, time ect.)