Observer and Sentry Wards

	Matches	Wins	Win Rate
Crystal Maiden	155,135	64,776	41.75%
Witch Doctor	150,192	59,063	39.32%
Lion	129,612	45,042	34.75%
Lich	106,587	45,680	42.86%
Jakiro	105,706	46,052	43.57%
Rubick	99,795	33,908	33.98%
Shadow Shaman	95,173	37,829	39.75%
Techies	94,411	39,976	42.34%
Venomancer	90,143	39,524	43.85%
Disruptor	89,891	36,099	40.16%
Silencer	86,406	36,563	42.32%
Pudge	84,955	30,912	36.39%
Ogre Magi	75,458	28,676	38.00%
Skywrath Mage	73,503	28,940	39.37%
Dazzle	69,214	26,605	38.44%
Ancient Apparition	68,871	30,119	43.73%
Mirana	68,128	26,494	38.89%
Oracle	65,145	28,126	43.17%
Nyx Assassin	63,153	24,316	38.50%
Undying	63,082	27,588	43.73%
Bounty Hunter	61,670	22,773	36.93%
Warlock	48,149	20,796	43.19%
Hoodwink	41,498	14,748	35.54%
Grimstroke	41,286	16,193	39.22%
Vengeful Spirit	39,231	14,935	38.07%
Spirit Breaker	39,103	15,829	40.48%
Pugna	38,732	15,490	39.99%
Snapfire	35,658	13,316	37.34%
Clinkz	34,632	14,308	41.31%
Earthshaker	33,865	12,999	38.38%
Windranger	32,000	10,873	33.98%
Keeper of the Light	28,948	10,757	37.16%
Io	27,909	10,782	38.63%
Dark Willow	26,992	10,304	38.17%
Enchantress	24,192	8,230	34.02%
Treant Protector	23,144	9,361	40.45%
Winter Wyvern	21,981	8,145	37.05%
Gyrocopter	21,803	8,404	38.55%
Bane	21,441	7,906	36.87%
Omniknight	20,489	8,490	41.44%
Invoker	18,003	6,733	37.40%
Sniper	17,223	5,395	31.32%
Tusk	17,152	6,084	35.47%
Phoenix	16,569	6,111	36.88%
Clockwerk	15,674	5,992	38.23%
Magnus	15,254	5,425	35.56%
Zeus	13,611	4,674	34.34%
Abaddon	13,081	5,303	40.54%
Sand King	13,013	4,752	36.52%
Queen of Pain	12,490	4,075	32.63%
Earth Spirit	12,439	4,518	36.32%
Shadow Demon	12,334	4,737	38.41%
Lina	11,658	3,667	31.45%
Necrophos	11,290	3,651	32.34%
Enigma	10,459	3,660	34.99%
Riki	10,354	3,720	35.93%
Slark	10,097	3,439	34.06%
Viper	9,019	3,356	37.21%
Marci	8,683	3,096	35.66%
Legion Commander	8,452	2,907	34.39%
Nature's Prophet	7,716	2,409	31.22%
Axe	7,562	2,387	31.57%
Medusa	7,326	2,601	35.50%
Tiny	7,244	2,363	32.62%
Chen	7,164	2,965	41.39%
Alchemist	7,035	2,327	33.08%
Monkey King	6,709	1,979	29.50%
Underlord	6,435	2,208	34.31%
Weaver	6,183	2,026	32.77%
Shadow Fiend	6,060	1,532	25.28%
Drow Ranger	5,344	1,441	26.96%
Tinker	5,272	1,798	34.10%
Dark Seer	5,154	2,036	39.50%
Muerta	5,143	1,717	33.39%
Dawnbreaker	5,064	1,897	37.46%
Tidehunter	4,933	1,649	33.43%
Phantom Assassin	4,914	1,166	23.73%
Outworld Destroyer	4,839	1,453	30.03%
Elder Titan	4,732	2,053	43.39%
Kunkka	4,516	1,631	36.12%
Bristleback	3,956	1,134	28.67%
Void Spirit	3,892	1,169	30.04%
Juggernaut	3,730	822	22.04%
Bloodseeker	3,677	1,209	32.88%
Slardar	3,575	1,161	32.48%
Anti-Mage	3,566	860	24.12%
Storm Spirit	3,514	935	26.61%
Death Prophet	3,360	1,101	32.77%
Doom	3,323	945	28.44%
Luna	3,319	1,044	31.46%
Huskar	3,218	1,059	32.91%
Primal Beast	3,185	1,065	33.44%
Puck	3,177	904	28.45%
Faceless Void	2,955	713	24.13%
Wraith King	2,894	831	28.71%
Pangolier	2,842	862	30.33%
Leshrac	2,633	847	32.17%
Centaur Warrunner	2,490	773	31.04%
Mars	2,416	728	30.13%
Ursa	2,389	635	26.58%
Sven	2,361	752	31.85%
Ember Spirit	2,318	638	27.52%
Batrider	2,307	733	31.77%
Timbersaw	2,230	634	28.43%
Chaos Knight	2,020	614	30.40%
Phantom Lancer	1,905	491	25.77%
Razor	1,904	540	28.36%
Dragon Knight	1,889	521	27.58%
Meepo	1,775	525	29.58%
Lifestealer	1,766	486	27.52%
Visage	1,670	547	32.75%
Beastmaster	1,629	483	29.65%
Arc Warden	1,557	514	33.01%
Troll Warlord	1,516	431	28.43%
Night Stalker	1,243	361	29.04%
Spectre	1,242	339	27.29%
Brewmaster	1,072	361	33.68%
Naga Siren	1,067	362	33.93%
Lone Druid	1,023	319	31.18%
Templar Assassin	987	235	23.81%
Terrorblade	855	262	30.64%
Morphling	747	184	24.63%
Broodmother	713	219	30.72%
Lycan	399	122	30.58%