Oracle
[wiki] rating: 1.0 (winrate: 51% pickrate: 4%)Chen
[wiki] rating: 1.0 (winrate: 51% pickrate: 0%)Beastmaster
* Chen can take control of the Boar from 
Call of the wild Boar at any time.
Earthshaker
[wiki] rating: 1.0 (winrate: 51% pickrate: 10%)Beastmaster
* Having many summons out will cause 
Echo Slam to deal extra damage.
Abaddon
[wiki] rating: 1.0 (winrate: 50% pickrate: 6%)Beastmaster
* 
Primal Roar can be instantly dispelled by Aphotic Shield.
* The debuffs from 
Wild Axes and 
Poison from 
Call of the Wild: Boar can also be dispelled by Aphotic Shield.
Additional:
* 
Aphotic Shield effectively nullifies Primal Roar's single-target initiation on allies.
* Even being initiated by Primal Roar, 
Borrowed Time can make Abaddon extremely difficult to kill.
Crystal Maiden
[wiki] rating: 1.0 (winrate: 49% pickrate: 13%)Beastmaster
* 
Frostbite kills boars instantly on the laning stage leading to either experience lead or disabling Beastmaster from using Boar
* 
Crystal Nova nukes and slows down the attack and movement speed of Beastmaster's summons.
* 
Freezing Field grants improved self armor, nukes and slows down Beastmaster and his summons.
Keeper of the Light
[wiki] rating: 1.0 (winrate: 49% pickrate: 3%)Beastmaster
* 
Illuminate clears Beastmaster's summons and is effective against his push.
Winter Wyvern
[wiki] rating: 1.0 (winrate: 48% pickrate: 3%)Beastmaster
* 
Cold Embrace mitigates Primal Roar's single-target initiation on allies.
* 
Winter's Curse can turn Beastmaster's summons and Inner Beast against his teammate.
Additional:
* Beastmaster's summons and 
Inner Beast are very useful to attack his cursed teammate.
* Cold Embrace effectively mitigates Primal Roar's single-target initiation on allies.
Timbersaw
[wiki] rating: 1.0 (winrate: 46% pickrate: 5%)Beastmaster
* 
Reactive Armor is very effective against Beastmaster's summons during laning stage and entire game.
* Timbersaw can quickly clear Beastmaster's summons with his nukes.
Enchantress
[wiki] rating: 1.0 (winrate: 46% pickrate: 2%)Beastmaster
* 
Untouchable negates Inner Beast's attack speed bonus, making her hard to kill even if stunned by Primal Roar.
* Enchantress can also take control of Beastmaster's summons.
Additional:
* 
Enchant can control Beastmaster's boars, mitigating his effectiveness during the laning stage and teamfights.
Slark
[wiki] rating: 0.6 (winrate: 51% pickrate: 17%)Beastmaster
* Heroes with strong dispels can remove Primal Roar's stun: 
Abaddon, 
Slark, 
Oracle.
Magnus
[wiki] rating: 0.6 (winrate: 51% pickrate: 15%)Beastmaster
* Heroes with AoE abilities are a bane to Beastmaster's summons: 
Storm Spirit, 
Magnus, 
Pangolier.
Dawnbreaker
[wiki] rating: 0.6 (winrate: 50% pickrate: 8%)Beastmaster
* Heroes with summoned units don't fare well against Dawnbreaker. (
Phantom Lancer ,
Beastmaster ,
Lycan)
Weaver
[wiki] rating: 0.6 (winrate: 50% pickrate: 3%)Beastmaster
* Heroes with Linken's Sphere as core item: 
Weaver, 
Morphling, 
Medusa.
Leshrac
[wiki] rating: 0.6 (winrate: 49% pickrate: 4%)Beastmaster
* Heroes who summon multiple units that are not spell immune. 
Nature's Prophet,Lycan,Beastmaster
Chaos Knight
[wiki] rating: 0.6 (winrate: 47% pickrate: 3%)Beastmaster
* Single-target disablers will have difficulty locking down a Chaos Knight with Phantasm active: 
Bane, Beastmaster, 
Bloodseeker, 
Clockwerk, 
Doom, 
Shadow Shaman.
Medusa
[wiki] rating: 0.6 (winrate: 45% pickrate: 1%)Beastmaster
* Heroes with Linken's Sphere as core item: Weaver, Morphling, Medusa.
Morphling
[wiki] rating: 0.6 (winrate: 44% pickrate: 8%)Beastmaster
* Heroes with Linken's Sphere as core item: Weaver, Morphling, Medusa.
Monkey King
[wiki] rating: -1.0 (winrate: 47% pickrate: 8%)Beastmaster
* The Hawk can easily find Monkey King while he is sitting on a tree.
* Wild Axes can knock out Monkey King from tree.
* Boars drastically reduce Monkey King's attack speed, making it harder for him to gain 
Jingu Mastery stacks.
Additional:
* Wild Axes can chop down trees, making it difficult for Monkey King to utilize Tree Dance well.
* 
Call of the Wild Hawk can scout Monkey King when he is perched on top of trees.
* Primal Roar can stun Monkey King for a lengthy duration even with spell immunity.
Hoodwink
[wiki] rating: -1.0 (winrate: 47% pickrate: 13%)Beastmaster
* Wild Axes destroys large amounts of trees specially upgraded with 
Aghanim's Scepter,
Templar Assassin
[wiki] rating: -1.0 (winrate: 48% pickrate: 4%)Beastmaster
* Attacks from Boars and the attack speed boost from Inner Beast will quickly wear down 
Refraction.
Sven
[wiki] rating: -1.0 (winrate: 48% pickrate: 2%)Beastmaster
* Primal Roar takes Sven out of the fight completely, even with 
Black King Bar.
Tiny
[wiki] rating: -1.0 (winrate: 48% pickrate: 13%)Beastmaster
* Primal Roar and the slow from Boars make kiting Tiny very easy.
Wraith King
[wiki] rating: -1.0 (winrate: 48% pickrate: 4%)Beastmaster
* Wraith King's lack of area of effect spells makes him easily overwhelmed by Beastmaster's summons.
Troll Warlord
[wiki] rating: -1.0 (winrate: 50% pickrate: 2%)Beastmaster
* Primal Roar and the slow from Boars make kiting Troll Warlord very easy.
Phoenix
[wiki] rating: -1.0 (winrate: 50% pickrate: 5%)Beastmaster
* Inner Beast helps Beastmaster's team destroy 
Supernova quickly.
Ursa
[wiki] rating: -1.0 (winrate: 52% pickrate: 15%)Beastmaster
* Primal Roar and the slow from Boars makes kiting Ursa very easy.
Tinker
[wiki] rating: -1.0 (winrate: 56% pickrate: 11%)Beastmaster
* Beastmaster's Hawk can find Tinker easily while he is pushing or blinking into trees.
Lycan
[wiki] rating: -1.0 (winrate: 57% pickrate: 3%)Beastmaster
* Primal Roar allows Beastmaster to keep Lycan in place after he used his Shapeshift.
Queen of Pain
[wiki] rating: -0.6 (winrate: 46% pickrate: 6%)Beastmaster
* Heroes who rely on high mobility are especially vulnerable to Primal Roar: Storm Spirit, 
Ember Spirit, 
Queen of Pain.
Phantom Assassin
[wiki] rating: -0.6 (winrate: 46% pickrate: 10%)Beastmaster
* Heroes with disables that ignore spell immunity will render Phantom Assassin quite useless in teamfights throughout the game: 
Axe, 
Enigma, 
Vengeful Spirit, Doom, Bane, Beastmaster, 
Pudge, Medusa.
Ember Spirit
[wiki] rating: -0.6 (winrate: 48% pickrate: 11%)Beastmaster
* Heroes who rely on high mobility are especially vulnerable to Primal Roar: Storm Spirit, Ember Spirit, Queen of Pain.
Bloodseeker
[wiki] rating: -0.6 (winrate: 49% pickrate: 3%)Beastmaster
* Heroes with disables that go through spell immunity can end Bloodseeker before he has the chance to do anything: 
Batrider, Beastmaster
Viper
[wiki] rating: -0.6 (winrate: 49% pickrate: 4%)Beastmaster
* Illusion or summon-based heroes can be a problem to Viper due to his lack of AoE damage: 
Naga Siren, Phantom Lancer, Beastmaster
Vengeful Spirit
[wiki] rating: -0.6 (winrate: 49% pickrate: 5%)Beastmaster
* Heroes who relies on illusions and summons (Beastmaster, 
Chaos Knight, etc.).
Enigma
[wiki] rating: -0.6 (winrate: 50% pickrate: 3%)Beastmaster
* Long ranged disables, especially those that pierce spell immunity, cancel Black Hole: Beastmaster's Primal Roar, Bane's 
Fiend's Grip, 
Faceless Void's 
Chronosphere, Magnus's 
Reverse Polarity, Axe's 
Berserker's Call, Pudge's
Meat Hook.
Skywrath Mage
[wiki] rating: -0.6 (winrate: 50% pickrate: 10%)Beastmaster
* Skywrath Mage also has a terrible time fighting against anything that isn't a hero. His skills are mostly target-based and he has terrible strength and agility, he can easily be kited or harassed by illusion-based heroes like Chaos Knight and Phantom Lancer, or by Heroes that summon other units like 
Lone Druid, Lycan and Beastmaster.
Night Stalker
[wiki] rating: -0.6 (winrate: 52% pickrate: 4%)Beastmaster
* Heroes with illusions and summons can manfight Night Stalker: 
Terrorblade, Beastmaster, 
Broodmother.
Arc Warden
[wiki] rating: -0.6 (winrate: 53% pickrate: 5%)Beastmaster
* Heroes with summons or illusions can counter Flux, such as Beastmaster , 
Chen, or 
Shadow Demon.
Meepo
[wiki] rating: -0.6 (winrate: 56% pickrate: 1%)Beastmaster
* Because only one clone needs to be killed in order to kill Meepo, heroes that excel at singling out enemies can also be a detriment to him, such as Batrider, Beastmaster, Pudge and Clockwerk.
Pangolier
[wiki] rating: 0.0 (winrate: 48% pickrate: 9%)Beastmaster
* Heroes with AoE abilities are a bane to Beastmaster's summons: Storm Spirit, Magnus, Pangolier.
Beastmaster
* Heroes with other kind of disables that pierce spell immunity can hold Pangolier in place during Rolling Thunder: Axe, Beastmaster, Enigma, Magnus, Pudge, Batrider, Bane, 
Winter Wyvern
Storm Spirit
[wiki] rating: 0.0 (winrate: 49% pickrate: 6%)Beastmaster
* Heroes with AoE abilities are a bane to Beastmaster's summons: Storm Spirit, Magnus, Pangolier.
Beastmaster
* Heroes who rely on high mobility are especially vulnerable to Primal Roar: Storm Spirit, Ember Spirit, Queen of Pain.
Beastmaster
*
False Promise effectively nullifies Primal Roar's single-target initiation on allies.
Purifying Flames kills Beastmaster's Hawk instantly and Boar with two casts.
*