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Referring to my previous question and its comments, I want to know which abilities/spells/items supplement hero vision at night, day and both combined?

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3  
the answer to this question will take a LOT of effort, so I'll be contributing a bounty to whoever that does it. –  z ' Mar 29 '12 at 14:49
    
vision in what sense exactly? you refer to sightradius in your other thread so i asume you dont want to hear about items/spells to get vision vs invis? –  Wandang Mar 29 '12 at 15:36
    
Does this include unit vision such as gaining sight of enemies for short periods of time? –  Emerica. Mar 29 '12 at 15:57
    
@Wandang, Emerica -> General Hero vision which gets improved by abilities or spells or items –  TheGrimCoder Mar 29 '12 at 16:51
1  
once my other bounties wear out (or gets claimed hint hint) I'll start putting some up for this one. –  z ' Mar 30 '12 at 2:43

2 Answers 2

up vote 8 down vote accepted

Most of this items/skills can only be used to get temporary vision of small areas,nothing really should extend the default day/night vision of your hero.

Only heroes/items currently in dota 2 are listed.

Invisibility,omnislash,infest and other spells that only displace/change the position of your hero's vision are not included,on the other hand gaining access to inaccessible high ground is included since it prolongs your vision radius significantly and makes ambushes easier even tho you can move.

Items:

  • Ultimate scepter on Night stalker(ultimate gives you unrestricted enemy hero vision during night).

  • Obviously wards.

    • Observer Wards(Duration)

    • Sentry Wards (Truesight)

  • Using Courier as scout,especially upgraded(flying)...risky and rarely done but possible.

  • Eul's Scepter of Divinity casting on friendly units gets him high ground vision.

  • Dagger blinking on inaccessible high ground gets you more vision(rarely usefull since you cant move).

  • Manta 2 illusions gets you 2 more points of view.

  • Helm of Dominator using dominated unit as scout.

  • Necromonicon 2 scouts 2 more points of view and level 3 necronomicon units have true sight, meaning they can see invisible units

Heroes:

  • Beastmaster boar and hawk companions can be used as scouts.

  • Invoker

    • Tornado vision along the path.

    • Defeating blast vision along the path.

    • Sun strike reveals the area it will hit before the damage impact.

  • Clockwerk rockets give you vision during the path + few seconds on the area they explode.

  • Slardar ulti gives you vision around the target enemy and reveals invisible enemies it is on.

  • Lich chain frost gives you vision as it bounces from targets.

  • Dazzle weave prolongs vision towards affected targets.

  • Spirit breaker small area around the charged enemy is revealed + all the map you reveal during the charge.Truesight on target.

  • Crystal maiden frost nova reveals aoe at target area(due to short cast range only portion of it is usesful).

  • Lycanthrope your invisible wolves are very good scouting units.

  • Jakiro

    • Ice path reveals area around the path(can reveal high ground).

    • Macropyre reveals area where casted + it keeps the vision during the afterburn.

  • Vengeful spirit wave of terror reveals area in targeted direction.

  • Magina access inaccessible high ground with blink.

  • Weaver swarm grants vision along path,reveals the high ground also.

  • Morphling scouting with mirrored unit(ulti).

  • Spectre

    • Haunt creates illusions around all enemies granting you short 5 points of view.

    • Spectral dagger reveals area along path,can get you to inaccessible high ground.

  • Mirana arrow reveals terrain on its path.

  • Witch doctor area around death ward is reveald,due the cast range only small part of vision is useful.

  • Windrunner powershot reveals area along the path.

  • Kunkka

    • Ghost ship gives vision along path + collision radius.

    • Torrent gives you high ground vision of targeted location when it hits.

  • Bloodseeker thirst gets you vision around enemies with low HP(if inside the required radius of you determined by thirst).

  • Broodmother your webs reveal terrain where they are placed.

  • Queen of pain access inaccessible high ground with blink.

  • Pugna small area where nether ward is placed.

  • Bounty hunter ulti reveals area around targeted enemy and reveals invisibility of units it is on.

  • Lone druid use bear as scout.

  • Shadow demon Shadow poison reveals small area at the tip of its path(goes over the high ground).

  • Storm spirit

    • Static remanent reveals small area where it is placed.

    • Ball lightning access to inaccessible high ground.

  • Tiny tossing friendly units gets you higher ground vision.

  • Razor

    • static link can be cast at target location and it will give vision along path and reveal the targeted area for 2 seconds in addition it has high ground vision.

    • Plasma field reveals units in its wake.

  • Zeus

    • Lightning Bolt reveals small area around the target, revealed area gets truesight.

    • Thundergod's Wrath reveals all enemies on the map and small area with them for a second(hits invisible units and reveals them for the period).

  • Puck the Illusory Orb reveals terrain on its path

  • Chen persuaded units can be used as scouts.

  • Enigma minions as scouts.

  • Shadow shaman serpent wards reveal area around them.

  • Enchantress can tame units for scouts.

  • Dark seer wall has decent high ground vision and illusions can be controlled as scouts.

  • Warlock vision around summoned golems.

  • Shadow demon 2 controllable illusions and shadow poison, which gives vision of where it travels

  • Venomancer plague wards grant you vision where they are placed(useful if placed on high ground).

  • Batrider

    • firefly grants higher ground vision + ground height you fly on(to some limit).

    • firebomb grants vision along path and at targeted area(can be casted on high ground).

  • Ancient Apparition

    • Ice blast gives vision as it travels and of the aoe where it hits(2 times).

    • Ice vortex also reveals the area it is cast on.

  • Furion can use his summoned treants as scouts.

Note while controling neutral creeps.

  • Wilkdin can cast tornado that reveals path to its destination.
  • Dark troll warlord can summon 2 additional units for scouting.
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1  
I believe spirit breaker's charge also grants true sight –  z ' Mar 29 '12 at 21:14
    
Someone else started adding truesight to the list,added now. –  Arremer Mar 29 '12 at 22:49
    
Including summoned units as "vision enhancers" seems a tad strange to me. I'm not exactly sure if those are the sort of skills that OP is asking about. –  Kotsu Mar 29 '12 at 23:11
    
Well scouting with them is kinda odd,but just summoning them near you will prolong your vision for a bit. –  Arremer Mar 29 '12 at 23:19
1  
Sorry for posting after you, I just didn't want to go through your list because I thought it would be easier to start from scratch. –  Decency Mar 30 '12 at 4:19

This should be pretty much everything, I tested the few that I wasn't sure on but I probably hit most.

Spells that provide temporary flying vision:

  • Tiny's Toss
  • Kunkka's Torrent
  • Night Stalker's Darkness (with Aghanim's Scepter)
  • Razor's Static Link
  • Batrider's Firefly
  • Dark Seer's Wall of Replica

Spells that give vision as they traverse/land:

  • Clockwerk's Rocket
  • Juggernaut's Omnislash
  • Mirana's Sacred Arrow
  • Vengeful Spirit's Wave of Terror
  • Razor's Plasma Field (unique in that it only grants vision of units, not the area)
  • Weaver's The Swarm
  • Crystal Maiden's Nova
  • Puck's Illusory Orb
  • Storm Spirit's Static Remnant
  • Windrunner's Powershot
  • Zeus's Lightning Bolt (Grants Truesight)
  • Shadow Shaman's Mass Serpent Wards
  • Jakiro's Ice Blast
  • Witch Doctor's Death Ward
  • Death Prophet's Exorcism
  • Pugna's Nether Ward
  • Dazzle's Weave
  • Batrider's Flamebreak
  • Ancient Apparition's Ice Vortex
  • Ancient Apparition's Ice Blast
  • Invoker's Sun Strike
  • Invoker's Tornado
  • Invoker's Deafening Blast
  • Bane's Fiend's Grip
  • Shadow Demon's Shadow Poison

  • Wildkin's Cyclone (neutral creep)

Spells that give vision of affected targets:

  • Slardar's Amplify Damage (Grants Truesight)
  • Lifestealer's Infest
  • Spiritbreaker's Charge of Darkness (Grants Truesight)
  • Bounty Hunter's Track (Grants Truesight)
  • Bloodseeker's Thirst (Grants Truesight)
  • Razor's Static Link
  • Spectre's Haunt
  • Zeus's Thundergod's Wrath

Items that provide vision:

  • Observer Wards
  • Sentry Wards (Grants Truesight)

I've ignored summons as all summons will of course grant vision, and I've ignored spells that move you along with them, as it's you providing the vision, not the spell. As you can see, most support heroes have a spell that provides vision of an area. This is to allow them to counterward more easily.

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do all the spells that grant vision of affected targets give truesight? If not, then you should differentiate –  z ' Mar 29 '12 at 22:53
    
Only a few do. Edited them. –  Decency Mar 29 '12 at 23:04

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