DotA Auroth the Winter Wyvern Recommended. Auroth is an Intelligence hero which is introduced on the DotA 6.75.
Auroth, the Winter Wyvern
Starting Armor: 1
Attack Damage: 38-45
Attack Range: 425
Intelligence: 25 + 2.4
Strength: 24 + 2.1
Agility: 16 + 1.9
Imbues you with a deathly chill, causing you to gain bonus attack range and flying movement for 6 seconds. Your attacks place an arctic burn on enemies that slows them and burns a portion of their health away.
Debuff cannot be refreshed on enemies that it hits.
Duration: 6 seconds
Attack Range: 700/800/900/1000
Slow: 25/30/35/40% for 4 seconds
HP Burn: drains 6% of current HP per second (not lethal, does not count as damage)
Fires a passive shard of ice at an enemy unit. Upon impact, it gains new life and splits off into active shards that deal heavy damage and slow to all other enemy units. Initial target is unaffected.
Split AoE: 500
Secondary Target Damage: 100/180/260/340
Secondary Target Slow: 25% for 4 seconds
Projectile Speed: Takes 1.5 seconds to arrive at the destination
Cast Range: 1200
Reduces an allied hero's body temperature by encasing him in ice, sending him into a deep sleep and regenerating a percentage of max HP for 4 seconds, in addition to blocking all physical damage for its duration.
HP Regeneration: 20 + 3/4/5/6% of Max HP per second
Cast Range: 1000
Note: The allied hero is disabled for the duration of the buff.
Winter Wyvern strikes the battlefield with a maddening chill, cursing a targeted enemy unit and freezing it in place. All of the target's nearby allied units will go into an uncontrollable frenzy, attacking the frozen ally for a short duration.
Cast Range: 800
Note: You get credit for kills done this way. Does not affect target's magic immune allies.