Nyx Assassin/Counters

Bad against...

 * completely counters all but one of Nyx's spells, his.
 * combined with an Ancient with spell immunity makes Nyx an easy target with or a gem.


 * completely counter all but one of Nyx's spells, his.
 * cannot be reflected by, while Juggernaut is immune to spells. It does, however, negate damage from one slash/attack.


 * A non-intelligence hero with very powerful spells, damage-over-time and spell-immune s. Depending on levels and farm, any gank on can completely back-fire.


 * silences, leaving the scarab vulnerable to attacks.
 * A natural carrier once his  is completed,  is a counter to most stealth heroes, and  is no exception.


 * 's Familiars are magic immune and Nyx has few solutions to kill them. They deal many instances of damage quickly, making hard to keep from getting cancelled.
 * 's and often tanky item builds make him hard to burst down.
 * 's long range on and  make him hard to escape from and forces you to save  for, since it cannot be disjointed and is his only proper nuke. A good Visage can play chicken with you, hoping you waste your carapace in panic, then delay his  until the perfect moment.


 * Reason

Others

 * Any hero with Damage over Time and/or a high health pool is good in general against.
 * is vulnerable to silence, especially while ed.
 * Illusion heroes like and.

Items

 * Detection items can punish Nyx quite severely.
 * Nyx is defenseless against . However, as of 6.87, does negate one damage instance without reflecting it or stunning the source.
 * can waste Nyx's, since its duration is only 2.25 seconds.
 * Any good strength/HP item like, or even  can completely eliminate Nyx's solo ganking as a threat. Remember that he has a team, however.  serves a similar purpose.

Good against...

 * Sniper's is easy to dodge with, causing massive damage to Sniper in the process.
 * Sniper has uncontrollable damage from, setting up an easy stun with , which is usable in . Even cannot reliably prevent this.
 * 's good burst damage potential can kill effectively in the early game due to his generally low health pool.


 * is good at stopping a by simply moving  into the AoE, as long as  is not spell immune and you are not caught by its ulti first.


 * interrupts or  when it procs. The stun may ruin a possible  attempt.


 * can be easily triggered by, or even . Combined with , has to face a deadly 5.2 second stun.


 * takes away the precious mana for, and greatly hinders the mobility of.
 * procs on enemy's.


 * 's on level 4 burns 38,5% of 's mana every 4 seconds if Medusa only increases her mana pool with Intelligence Icon Int.png. Additionally, 60% of the  damage gets mitigated by, burning even more mana.
 * and is uncontrollable damage, possibly proccing . However, they do not target an invisible Nyx.
 * lacks single target damage, making Nyx with extremely hard to deal with if Medusa is your main damage.


 * He can reflect PA critical and stun her. When she stunned, u can kill her easily cause she can't avoid magical damage without BKB.


 * Mostly Nyx Assassin skill can penetrate Windrun ( hits through evasion!).
 * Reason

Others

 * Any hero with slow moving high-burst projectiles or big AoE spells are susceptible to Nyx's 's disruptive effects.
 * Heroes with high intelligence gain(Like ) will take massive amounts of damage from Nyx's, which scales with their intelligence.
 * is a valuable scouting/ganking tool, which also may make enemies waste gold on detection. Especially good against heroes who rely on good positioning (like and ).

Works well with...

 * deals up to 475 (537.5 with ) pure damage and almost assured to hit with Nyx's long stuns. The extra nuking power makes Nyx a mid-game and even late-game ganking threat.
 * Carl's  combo can set up an easy  or vice versa. Stunning into EMP is also very possible. 's effect delay but high damage in a line could also combo together.


 * This hero can gank together with to gain  damage.
 * can dispel silence.


 * can initiate with or, making him an ideal  target.


 * His Thrist useful for Nyx Assassin to kill them in 1 hit.


 * Track can make Nyx Assassin can hunt the left enemy when the other ally has joined war.

Others

 * Heroes with global or super long range spells can help striking those who cannot be killed by  alone, without having to roam with him.
 * Tanky heroes who can lure enemies to use their AoE nukes, allowing to counter-initiate with.
 * Underlord for Dark Rift target
 * Mirana with Moonlight Shadow
 * Hero who mostly build Boots of Travel 2 like Arc Warden and Tinker.

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