Outworld Destroyer/Counters

Bad against...

 * Doom will completely take OD out of a fight, which is especially harmful as OD is a core hero.


 * prevents OD from casting, his main source of damage, as well as disabling him for a pretty long duration.


 * during laning phase prevents OD from harrasing with . Even in later stages of the game, OD still has a rough time removing all of TA's Refraction charges.
 * If timed correctly, can completely negate damage from.
 * OD has no escape mechanism so getting slowed by a while not being able to fight back agaisnt  can guarantee death.


 * Having high mana pool and intelligence causes to do tons of damage to OD.
 * If timed correctly, will return full damage from  back to OD.


 * prevents OD from casting on key target.


 * does tons of damage to OD if he tries to use.
 * prevents OD from casting, as well as making him more vulnerable to nuke.


 * Silencer intelligence steal will heavily reduce OD's damage from auto-attacks and his ultimate.
 * Last Words and Global Silence will take OD out of the fight unless he has build Black King Bar.

Others

 * Any heroes with silence:, ,.
 * Any heroes with high intelligence, especially, receive little to no damage from.
 * 's makes him immune to all of OD's spells.

Items

 * significantly reduces 's damage.
 * makes the user become immune to all of OD's spells.

Good against...

 * doesn't work versus because it does pure damage.
 * Anti-Mage cannot burn all of OD's mana if he has no disables.


 * and removes mana from Wraith King, making him unable to use.


 * Huskar's main source of survivability,, doesn't work versus OD because does pure damage.
 * OD can dodge with, leaving OD unharmed and Huskar vulnerable with half HP.
 * can deal massive damage to Huskar before he builds up his stacks.


 * does pure damage to Timbersaw, who has a lot of armor from.
 * Even if Timbersaw gets away from OD, he will still lose a lot of intelligence, making it harder to cast his high mana cost spells.

Others

 * Any heroes with low intelligence will die quickly or even instantly to :, . The 40% max mana drain also helps to ensure that heroes with built-in escape mechanisms die.
 * Any heroes with medium intelligence but have high mana usage or low intelligence but very tanky will have problem in casting spells when some of their intelligence are stolen by : ,

Works well with...

 * massively increases OD's survivability.
 * Omniknight can spam on OD thanks to.


 * increases OD's DPS by a lot because OD has pretty low attack speed and allows him to steal intelligence faster.


 * Silencer's passive intelligence steal will increase the intelligence difference between OD and his enemies, making them take more damage from and causing low manapool heroes to struggle with their mana costs.
 * Global Silence​ will prevent enemies from disabling OD, allowing him to land easy attacks.

Others

 * Any heroes that spam spells benefit greatly from :, ,
 * Any heroes that benefits from 's setup:, ,

List of heroes that counter Outworld Devourer, and list of heroes that work well with Outworld Devourer.