Luna/Counters

Bad against...

 * Innate high magic resistance from and long attack range coupled with  makes it difficult for Luna to lane against Huskar or counter Huskar's  effectively.


 * and both dodge Eclipse.


 * High nuke damage. can also be upgraded with  to bypass Luna's.


 * Heavy nuke damage and disables can render Luna completely helpless in fights earlier on.


 * 's magic resistance allows him to survive Eclipse and and  can disable Luna through her BKB.
 * However,  can still cancel  from safe distance, even if its damage is going to be reduced.


 * Several damaging nuke spells on low cooldowns. can be used before a fight to harm Luna before she activates her Black King Bar, reducing her survivability for that fight.


 * cannot be used to cancel, and because of that fact, Luna will be always in trouble when persecuted by Spirit Breaker.
 * However if Luna can use in anticipation before Spirit Breaker reaches her, She might stand a chance against Spirit Breaker.

Others

 * Other carries who can chase effectively despite Luna's high movement speed, such as, , and.
 * Heroes that create illusions or other units which can strike unintentionally, such as, ,  and.
 * However, can resolve this issue, as long as Luna has high attack damage, she can eliminate them before activating.
 * Heroes with disabling abilities which can bypass spell immunity, such as, and.

Items

 * Spell damage mitigation, such as and.
 * Items which allow the enemy to go invisible, such as and.

Good against...

 * can be used to interrupt Black Hole from a safe distance.
 * Also with and  allows Luna to quickly eliminate Eidolons to mitigate his pushes, granting her farm in the process.


 * can be used to interrupt Fiend's Grip from a safe distance.


 * can be used to interrupt Death Ward from a safe distance.


 * can be used to interrupt Rearm or any Tinker's escape attempt from a safe distance.


 * and can be used to help Luna's ally win a Duel, and  can help with Luna with winning Duels herself, should she be targeted.


 * allows Luna to quickly eliminate Nature's Call Treants to mitigate his pushes, granting her farm in the process.


 * Enchantress has a abysmal HP pool and can be killed with.
 * Even if Luna gets under effects of and/or, she can still spam her  and.


 * Zombies from  are almost ineffective because  will strike only Undying.
 * and help Luna to quickly tear  in a minute.

Others

 * Any Low HP hero.
 * can be used as a counter-initiation against Blink Dagger dependent initiators such as:, , , , , (Keep in mind that this strategy can backfire if enemy hero has Blade Mail and/or Black King Bar).
 * Any weak Nuker such as:, , , , , , , , , and.
 * and are useless against Luna because  will deal enormous damage, especially when Luna farms.

Works well with...

 * Combined with, allows Luna and her allies to above-average damage early game, making harassing and kill attempts easier.


 * can greatly improve Luna's attack damage in the late game. Early-game, she can set up kills as well as use on Luna to allow her escape from a sticky situation and potentially save her life.


 * allows Luna to spam frequently in the early game, as well as slow and disable foes to help chase them down or flee from them.


 * can help Luna pursue enemies and gain more gold from killing them. Additionally, upgrading Eclipse with an Aghanim's Scepter can allow Eclipse to follow an invisible Bounty Hunter, sowing chaos among the enemy forces.


 * can allow Luna to build items other than a Black King Bar. Additionally, can help her in one-on-one engagements due to her short range which means she has to get close to attack, and  can allow Luna to fight against enemy carries with little concern.


 * causes day to become night, triggering Night Stalker's for the ten extra seconds of nighttime.
 * gives both of them a very long vision range.


 * upgraded synergies well with  which allows Razor to rain devastation among enemy heroes.


 * upgraded is like a invisible  for Treant Protector when he uses Nature's Guise, and it can be used if Treant Protector is about to make a initiation with Blink Dagger.

Others

 * Heroes that can help disable foes in the early-game to kill or flee from, such as :,, , and.
 * Heroes that can disable enemies to keep Luna from getting disabled and nuked down before she has her, such as: , ,, , and.
 * Heroes that she can aid in pushing, such as: ,,, , , and.
 * Heroes to help keep her healthy, especially in the early-game, such as:, , , , , and  with.
 * Heroes that can Gather enemies and stunned them at the same time so that they can't use their skills and use your ultimate like:, , and.
 * Heroes with invisibility skills such as:, , , and  (only with )
 * Heroes with damage amplification such as:, , , , and.
 * Heroes with low and high physical damage such as:, , , , and.
 * Heroes with gap closing abilities such as:, , , , and  (only with )
 * Heroes that build as core or situational item such as:, , , , , , , , , and.

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