Omniknight/Counters

Bad against...

 * takes Omniknight out of the fight completely.
 * He may occasionally also be able to use the Satyr Banisher's to remove Omniknight's buffs.


 * will purge.
 * will deplete Omniknight's already small mana pool.
 * Invoker's many disables will keep Omniknight's team occupied until times out.


 * The purge from will remove Omniknight's buffs.


 * Omniknight's buffs provide little protection against and.
 * Outworld Devourer's intelligence steal is also devastating to Omniknight's already low mana pool.


 * will purge Omniknight's buffs from any ally who attacks Razor.


 * All of Omniknight's abilities are valuable for Rubic to, and Omniknight has no throwaway ability to cover his last used spell.


 * will remove Omniknight's buffs.


 * takes Omniknight out of the fight completely.
 * Silencer can also heavily harass Omniknight during the early stages with both and.
 * Silencer's intelligence steal can also cause Omniknight to falter in the early phases as it reduces his ability to use his spells.

Others

 * In general, heroes with large magical AoE damage will fare well against Omniknight:, , ,.
 * and can easily harass Omni out of a lane with their ranged slows and poison damage.

Items

 * makes Omniknight useless.
 * 's ability to purge a target of its buffs can become dangerous, as the effects of both and  are both eliminated.
 * 's cyclone can purge.

Good against...

 * Omniknight's healing prevents allies from dropping low enough for.


 * s can be easily killed with.


 * is blocked by.


 * is an excellent chance for Omniknight to use.
 * wastes 's duration entirely.


 * goes through.


 * Phantom Assassin is basically useless while is active.

Others

 * Generally, heroes that rely strongly on melee physical damage will fare badly against Omniknight.

Works well with...

 * A on Clockwerk while he's fighting inside  will turn the fight in Clockwerk's favor.


 * solves Omniknight's mana problems.


 * solves Omniknight's mana problems.


 * Use on an enemy just before  to prevent that enemy from becoming invulnerable and single him out for a quick kill.


 * , and  can make for a very quick kill.


 * allows Shadow Fiend to channel in the midst of the enemy team without relying on.


 * let's Storm Spirit get close for an easy.

Others

 * In general, heroes that can blink into enemy formations gives Omniknight an opening to use offensively.

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