Hello. My name is Dmitriy. I am glad to present you my new concept of the hero for two players.
Hero: Kurken
Class: Bruiser \ Melee Assassin
Resources:
Health (total for two) - 2951 basically hit points.
Mana (total for two) – 617 basically hit points.
Preface:
Kurken is a core hound, a two-headed dog from the Warcraft universe. The character is controlled by two players. The first head is called Ars (tank), the second Faril (melee assassin).
\\ Abilities:
[D] (mutual) - «Hemispheric Change» - Switches Kurken’s movement control to you, and increases the damage of your basic abilities by 10%. During the action [D] basic abilities receive additional bonuses. Switching control reduces the cooldown time of basic abilities by 10% from the current one. Cooldown 8 seconds.
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Pressing [D], the player takes control of the movement on himself. The other player can still use abilities.
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Autoattacks bite the target with each head in turn, dealing 125 points of damage every 1.5 seconds.
[Z] (mutual) - «Core Running» - Kurken does not use transport. When you press [Z], the movement speed increases by 35% for 3 seconds. Removes the effects of slowing down. Cooldown 20 seconds.
Ars - Head 1 (tank):
[Q] - «Ars Deep Wounds» - Bites the chosen enemy, inflicting 75 points of damage. If both heads inflict «Deep wounds» on the same target, the damage from its increases by 3% each time, up to 30%. The bonus is valid for 5 seconds and is updated with each application. Requires 10 mana. Cooldown 3 seconds.
- Effect during action [D]: The ability deals an additional 30% of basic damage over 3 seconds.
[W] - «Hounds Bite» - Deals 115 points of damage to two closest opponents in front of Kurken. If the opponent is one, then he takes double damage. The range of 2 meters. Requires 15 mana. Cooldown 5 seconds.
- Effect during action [D]: The ability slows down the affected enemy by 30% for 1.5 seconds.
[E] - «Regeneration» - Restores 10% of health in 4 seconds. Requires 12 mana. Cooldown 8 seconds.
- Effect during action [D]: Restores 20% of health in 4 seconds.
[R1] - «Prickly Wool» - Gives an additional 20 points of armor, and deals 115 points of damage once per second to nearby enemies. Duration 6 seconds. Requires 30 mana. Cooldown 50 seconds.
[R2] - «Roar» - Makes a roar, reducing autoattacks speed of nearby enemies by 50% for 3 seconds. Requires 30 mana. Cooldown 30 seconds.
Faril - Head 2 (melee assassin):
[Q] - «Deep Wounds of Faril» - Bites the chosen enemy, inflicting 75 points of damage. If both heads inflict «Deep wounds» on the same target, the damage from its increases by 3% each time, up to 30%. The bonus is valid for 6 seconds and is updated with each application. Requires 10 mana. Cooldown 3 seconds.
- Effect during action [D]: Each 5 application deal 120% more damage and stuns the target for 1.25 seconds.
- Having accumulated 4 attacks, in order for the 5th to be a stun, you can switch to [D] to Ars and continue to using [Q], and when you need to control target - Faril may switch to [D] and press the accumulated “fifth” [Q] to stun.
[W] - «Fire Tread» - Kurken strikes the ground in two paws, creating two fire trenches in the chosen direction. Trenches exist for 3 seconds, inflicting 55 damage every 0.25 seconds, and then disappear. The range of 6 meters, width 1.5 meters. Requires 25 mana. Cooldown 8 seconds.
- Effect during action [D]: Decreases the ability power of the affected enemies by 16% for 1 second.
[E] - «Fraternal Fury» - Increases autoattacks speed of Kurken by 15% for 4 seconds. Requires 25 mana. Cooldown 15 seconds.
- Effect during action [D]: Increases autoattacks speed of Kurken by 25% for 4 seconds.
[R1] - «Lava Breath» - Breathes opponents a double exhale of molten lava, hanging on them the effect of periodic damage, dealing 415 points of damage in 4 seconds. Requires 35 mana. Cooldown 50 seconds.
[R2] - «Jerk Forward» - Makes a breakthrough in the specified direction to 4.5 meters, throwing opponents to the side and causing them 215 points of damage. Requires 25 mana. Cooldown 40 seconds.
\\ Talents:
— 1 level - Ars (tank)
1) - «Sharp Bites»
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Quest: Deal 8,000 damage with [Q].
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Reward: Additional periodic damage during [D] will increase to 90%.
2) - «Sweeping Bites»
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Quest: Hit the enemy heroes with the ability [W] 25 times.
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Reward: The ability will hit 4 opponents. If the opponent is one, then he will takes not double, but triple damage. Enhances the additional effect of slowing down to 45%.
3) - «Enhanced Regeneration»
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Quest: Heal yourself with [E] 6500 health.
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Reward: The base regeneration volume will increase to 14%, and the cooldown time of [E] during the action [D] decreases by 2 seconds.
— 1 level - Faril (melee assassin)
1) - «Biter»
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Quest: Deal 9,000 damage with [Q].
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Reward: The ability [Q] of Faril will begin to deal 0.025 more damage for every 1 Kurken current health unit. And during [D], the ability will begin to deal increased damage every 4 application, not every 5.
2) - «Deep Tread»
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Quest: Hit the enemy heroes with the ability [W] 80 times.
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Reward: The width of the fire trenches will increase by 0.5 meters. The additional effect of reducing the enemy’s abilities power will increase to 20% for 1.5 seconds.
2) - «Berserker Rage»
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Quest: Deal together 24,000 damage during the action [E].
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Reward: Cooldown time of [E] will decrease by 3 seconds.
— 4 level - Ars (tank)
1) - «Ars Battle Character» - When Ars deals damage with [Q] ability, the bonus to the accumulation of the “Deep Wounds” effect is increased from 3% to 4%.
2) - «Hardened Pelt» - If Kurken takes 30% of his maximum health damage in less than 3 seconds, he gets a shield for 520 units for 10 seconds. It works no more than once every 25 seconds.
3) - «Freedom of the Core» - Reduces the time taken of slowdown effects by 30%.
4) - Active ability - «Flair» - Opens an overview within a radius of 20 meters for 4 seconds. Requires 15 mana. Cooldown 35 seconds.
— 4 level - Faril (melee assassin)
1) - «Faril Battle Character» - When Faril deals damage with [Q] ability, the bonus to the accumulation of the “Deep Wounds” effect is increased from 3% to 4%.
2) - «Rampage» - When Kurken takes damage from an enemy hero, the cooldown [Z] is reduced by 1 second.
3) - «Voice from the Core» - Reduces the silence time by 30%.
4) - Active ability - «Hunting» - Marks an enemy with a mark for 6 seconds, increasing all Kurken’s damage on him by 7%. Reveals target location for 3.5 seconds. Heals Kurken in the amount of 20% of the total damage done to this target. Application range 4 meters. Requires 20 mana. Cooldown 50 seconds.
— 7 level - Ars (tank)
1) - «Core Wool» - If permanent damage is less than 3% of Kurken’s maximum health, then its damage is reduced by 40%.
- This refers to one-time damage - from beetles, add’s, and other minor sparks. Not for brown DoT’s.
2) - «Healing Run» - While the ability [Z] is active, Kurken regains 2% of his maximum health every second. Increases the duration of action [Z] by 0.5 seconds.
3) - «Advertence of Ars» - When Kurken has less than 30% health, he starts to dodge every 4 auto attacks of an enemy hero.
4) - «Deepest Union» - Arsa’s basic attacking abilities reduce the mana cost of using Faril’s basic abilities by 45%, used over the next 2.5 seconds.
— 7 level - Faril (melee assassin)
1) - «Potential Generation» - While the ability [E] of Ars is active, the ability [Q] of Faril inflicts additional damage in the amount of 2% of the maximum target health.
2) - «Hounds Advantage» - If the current health of the target is lower in percentage terms than the current health of Kurken, the damage from the basic abilities of both is increased by 6.5%.
3) - «Ferocity of Faril» - If an enemy hero has less than 30% health, the damage from the basic Faril abilities on him is increased by 12%.
4) - «Deepest Union» - Faril’s basic attacking abilities reduce the mana cost of using Arsa’s basic abilities by 45%, used over the next 2.5 seconds.
— 10 level - Ars (tank)
1) - [R1] - «Prickly Wool» - The description of the ability is at the beginning of the document.
2) - [R2] - «Roar» - The description of the ability is at the beginning of the document.
— 10 level - Faril (melee assassin)
1) - [R1] - «Lava Breath» - The description of the ability is at the beginning of the document.
2) - [R2] - «Jerk Forward» - The description of the ability is at the beginning of the document.
— 13 level - Ars (tank)
1) - «Conciling» - Increases Kurken’s auto attack speed by 15%.
2) - «Armor Biter» - Ability [W] ignores up to 25 units of target armor.
3) - «Lunges» - Increases the range of both [W] abilities by 15%.
— 13 level - Faril (melee assassin)
1) - «Focusing» - Increases the maximum bonus to the pair effect of “Deep wounds” [Q] to 48%, as well as prolongs the accumulating effect of this ability by 4 seconds.
2) - «Armor Melter» - Ability [W] of Faril ignores up to 25 armor units of enemy hero.
3) - «Wild Hunt» - Damage from Kurken’s auto attacks on non-hero enemies is increased by 150%. Each auto attack on such an opponent replenishes 1.5% of Kurken’s maximum health.
— 16 level - Ars (tank)
1) - «Overgeneration» - Ability [E] at the end of the action increase Kurken’s maximum health by 12 units until the end of the match.
2) - «Core Connections» - Reduces the time to Kurken’s revive by 25%.
3) - «Synchronicity» - Reduces cooldown time of [D] by 4 seconds.
— 16 level - Faril (melee assassin)
1) - «Liquidation» - Reduces the cooldown of both [Q] Kurken’s abilities by 1 second.
2) - «Bites in Pursuit» - Increases Kurken’s damage from both abilities [W] by 15% on the enemy, which is affected by the effect [Q] of Ars.
3) - «Vigilance» - Ability [Z] gives unstoppable for 2 seconds.
— 20 level - Ars (tank)
1) - [R1] - «Wool on End» - Increases the amount of created armor to 70 units, and increases the damage of the ability by 25%, but reduces the duration by 1 second.
2) - [R2] - «Deafening Roar» - The ability also stuns nearby enemies for 2 seconds if they are under the effect of Faril’s “Lava Breath” (R1). Reduces auto attacks speed deceleration to 70% and cooldown of ability by 10 seconds.
3) - «Discipline of Ars» - Reduces the time to Kurken’s revive by 10%.
4) - Active ability - «Recovery Sleep» - Kurken falls asleep, restoring 40% of maximum health and 30% mana in 5 seconds. Pressing again or taking damage cancels the effect. Cooldown 60 seconds.
— 20 level - Faril (melee assassin)
1) - [R1] - «Enhanced Breathing» - Increases the radius of an ability by 20%, and Increases damage of this ability by 15%.
2) - [R2] - «Scratching Jerk» - Increases damage from [R2] by 50% during Arsa’s (R1) “Prickly Wool”. Increases the jerk distance by 1 meter.
3) - «Discipline of Faril» - Reduces the time to Kurken’s revive by 10%.
4) - Active ability - «Lava Ball» - Fires a fiery clot in the specified direction, dealing 218 damage and an additional 80 damage in 3 seconds to the first enemy in its path. When hitting the target, a lava ball splashes in a radius of 2 meters, dealing 45 points of damage in area. The range of 5.5 meters. Requires 25 Mana. Cooldown 20 seconds.
Thanks for watching! 
Also see my other concepts:
REWORK: Whitemane, Healer - https://us.forums.blizzard.com/en/heroes/t/hero-rework-whitemane/27331
Charki, Melee Assassin - https://us.forums.blizzard.com/en/heroes/t/new-hero-charki-melee-assassin/27132
Strand of the Ancients, Map - https://us.forums.blizzard.com/en/heroes/t/new-map-strand-of-the-ancients/26872
Daelin, Bruiser - https://us.forums.blizzard.com/en/heroes/t/new-hero-admiral-daelin-proudmoore-bruiser/26623
Antonidas, Support / Assassin - https://us.forums.blizzard.com/en/heroes/t/new-hero-archmage-antonidas-support-assassin/26454
Bolner, Support - https://us.forums.blizzard.com/en/heroes/t/new-hero-bolner-support/24229
Ionar, Tank - https://us.forums.blizzard.com/en/heroes/t/new-hero-ionar-tank/24117
Tony, Support - https://us.forums.blizzard.com/en/heroes/t/new-hero-tony-romano-support/24025
Dyozi, Ranged Assassin - https://us.forums.blizzard.com/en/heroes/t/new-hero-dyozi-ranged-assassin/23965
HYDRA, Tank\Assassin\Support, Hero for three players - https://us.forums.blizzard.com/en/heroes/t/new-hero-hydra-tank-assassin-support-mega-hero-for-three-players/23664
Zakunda, Support - https://us.forums.blizzard.com/en/heroes/t/new-hero-zakunda-support/23564
Akama, Bruiser - https://us.forums.blizzard.com/en/heroes/t/new-hero-akama-bruiser/23389
Kavetdren, Support - https://us.forums.blizzard.com/en/heroes/t/new-hero-kavetdren-support/22640
Kodorb, Support - https://us.forums.blizzard.com/en/heroes/t/new-hero-kodorb-support/22540
Monkana, Bruiser - https://us.forums.blizzard.com/en/heroes/t/new-hero-monkana-bruiser/22461
Mission “Covering”, New Map - https://us.forums.blizzard.com/en/heroes/t/new-map-mission-covering/22323
Sunny Glade, New Map - https://us.forums.blizzard.com/en/heroes/t/new-map-sunny-glade/22254
Floating Island, New Map - https://us.forums.blizzard.com/en/heroes/t/new-map-floating-island/22204
Uku’lar, Healer - https://us.forums.blizzard.com/en/heroes/t/new-hero-ukular-healer/19724
The Motorshell, Transport - https://us.forums.blizzard.com/en/heroes/t/new-transport-the-motorshell/15704
Reiker, Support - https://us.forums.blizzard.com/en/heroes/t/new-hero-reiker-support/15176
Girth, Tank\Support - http://us.forums.blizzard.com/en/heroes/t/new-hero-girth-tank-support/14830
Teron, Specialist - http://us.forums.blizzard.com/en/heroes/t/new-hero-teron-specialist/14631
Quick Messages - http://us.forums.blizzard.com/en/heroes/t/suggestion-quick-messages/5150