Observer and Sentry Wards

Advancements in stacking efficiency have made wards easier to carry than ever.

Observer and Sentry Wards is an upgraded item, requiring components from the main shop

Hero Matches Wins Win Rate
Crystal Maiden
143
63
44.06%
Lion
124
49
39.52%
Ogre Magi
108
45
41.67%
Lich
107
39
36.45%
Mirana
105
43
40.95%
Pudge
102
30
29.41%
Witch Doctor
101
41
40.59%
Dazzle
98
35
35.71%
Shadow Shaman
95
34
35.79%
Rubick
92
29
31.52%
Winter Wyvern
91
39
42.86%
Disruptor
78
31
39.74%
Techies
74
30
40.54%
Ancient Apparition
72
33
45.83%
Jakiro
68
31
45.59%
Omniknight
67
29
43.28%
Lina
65
27
41.54%
Oracle
57
26
45.61%
Shadow Demon
56
28
50.00%
Bane
56
15
26.79%
Warlock
56
24
42.86%
Vengeful Spirit
54
27
50.00%
Skywrath Mage
46
18
39.13%
Natures Prophet
42
20
47.62%
Bounty Hunter
42
15
35.71%
Silencer
40
11
27.50%
Keeper of the Light
39
18
46.15%
Spirit Breaker
39
8
20.51%
Venomancer
37
15
40.54%
Earth Spirit
36
15
41.67%
Necrophos
35
12
34.29%
Undying
32
11
34.38%
IO
29
13
44.83%
Earthshaker
26
14
53.85%
Pugna
23
12
52.17%
Treant
23
10
43.48%
Invoker
23
13
56.52%
Windranger
20
5
25.00%
Nyx Assassin
20
7
35.00%
Phoenix
19
6
31.58%
Abaddon
19
7
36.84%
Chen
17
3
17.65%
Enigma
16
6
37.50%
Enchantress
15
4
26.67%
Sand King
15
7
46.67%
Riki
15
6
40.00%
Kunkka
15
8
53.33%
Tusk
14
5
35.71%
Doom Bringer
12
6
50.00%
Slardar
11
5
45.45%
Leshrac
11
6
54.55%
Tidehunter
11
2
18.18%
Visage
10
7
70.00%
Zeus
9
6
66.67%
Queen of Pain
9
2
22.22%
Axe
9
2
22.22%
Weaver
8
1
12.50%
Ember Spirit
8
5
62.50%
Tiny
8
2
25.00%
Bloodseeker
7
3
42.86%
Magnus
7
1
14.29%
Death Prophet
6
2
33.33%
Legion Commander
6
4
66.67%
Clockwerk
5
2
40.00%
Timbersaw
5
0
0.00%
Gyrocopter
5
1
20.00%
Outworld Devourer
4
1
25.00%
Ursa
4
3
75.00%
Elder Titan
4
2
50.00%
Bristleback
4
0
0.00%
Sniper
4
1
25.00%
Dark Seer
4
0
0.00%
Broodmother
3
0
0.00%
Clinkz
3
0
0.00%
Lycan
3
1
33.33%
Troll Warlord
3
2
66.67%
Dragon Knight
3
1
33.33%
Centaur
3
1
33.33%
Medusa
3
1
33.33%
Huskar
3
3
100.00%
Beastmaster
2
1
50.00%
Wraith King
2
0
0.00%
Storm Spirit
2
1
50.00%
Chaos Knight
2
0
0.00%
Razor
2
1
50.00%
Morphling
2
0
0.00%
Brewmaster
2
0
0.00%
Viper
2
2
100.00%
Shadow Fiend
2
0
0.00%
Naga Siren
2
1
50.00%
Batrider
2
0
0.00%
Night Stalker
2
1
50.00%
Terrorblade
2
0
0.00%
Phantom Assassin
2
0
0.00%
Slark
2
0
0.00%
Juggernaut
1
1
100.00%
Faceless Void
1
1
100.00%
Luna
1
1
100.00%
Sven
1
0
0.00%
Meepo
1
0
0.00%
Drow Ranger
1
1
100.00%
Spectre
1
1
100.00%
Lifestealer
1
1
100.00%
Alchemist
1
0
0.00%

Observer and Sentry Wards

275
Description

Double-Click to switch the currently active ward. Use: Plant the currently active ward to keep watch over an area. Observer Wards reveal their surrounding area to your team. Sentry Wards grant True Sight, the ability to see invisible enemy units and wards, to any existing allied vision within its range.

Stats
Observer Vision Range: 1600
Observer Duration (minutes): 7
Sentry True Sight Range: 850
Sentry Duration (minutes): 4
Recipe