Helix.

Items in their inventory when the game ended, across 5,156 games.

Item	Games	Of all games	Win rate
Magic Wand	3,239	62.8%	50.8%
Tranquil Boots	1,664	32.3%	55.9%
Observer and Sentry Wards	1,299	25.2%	35.3%
Aghanim's Scepter	1,033	20.0%	60.3%
Blink Dagger	989	19.2%	54.7%
Arcane Boots	968	18.8%	54.1%
Dust of Appearance	899	17.4%	54.4%
Boots of Speed	773	15.0%	41.4%
Smoke of Deceit	722	14.0%	50.7%
Glimmer Cape	679	13.2%	60.8%
Force Staff	664	12.9%	58.1%
Power Treads	590	11.4%	48.6%
Aether Lens	555	10.8%	61.8%
Black King Bar	532	10.3%	51.9%
Ghost Scepter	429	8.3%	59.4%
Eul's Scepter of Divinity	426	8.3%	54.0%
Sentry Ward	421	8.2%	53.9%
Observer Ward	403	7.8%	46.7%
Hand of Midas	388	7.5%	37.6%
Solar Crest	297	5.8%	60.9%
Maelstrom	285	5.5%	47.4%
Holy Locket	282	5.5%	65.6%
Bottle	276	5.4%	37.7%
Shiva's Guard	274	5.3%	67.5%
Infused Raindrops	253	4.9%	64.4%
Phase Boots	247	4.8%	40.9%
Bracer	239	4.6%	46.9%
Boots of Travel	230	4.5%	65.2%
Skull Basher	221	4.3%	59.7%
Clarity	204	4.0%	51.0%
Spirit Vessel	199	3.9%	61.3%
Refresher Orb	198	3.8%	62.1%
Diffusal Blade	188	3.6%	51.1%
Null Talisman	188	3.6%	38.3%
Ring of Basilius	187	3.6%	44.4%
Guardian Greaves	183	3.5%	72.1%
Meteor Hammer	170	3.3%	57.1%
Lotus Orb	167	3.2%	53.3%
Quelling Blade	153	3.0%	33.3%
Scythe of Vyse	150	2.9%	64.0%
Headdress	148	2.9%	52.0%
Wind Lace	140	2.7%	40.0%
Mekansm	133	2.6%	48.9%
Urn of Shadows	127	2.5%	48.8%
Pipe of Insight	124	2.4%	71.0%
Desolator	124	2.4%	66.1%
Orb of Venom	122	2.4%	39.3%
Eye of Skadi	119	2.3%	58.8%
Orb of Corrosion	119	2.3%	50.4%
Town Portal Scroll	116	2.2%	47.4%
Circlet	115	2.2%	43.5%
Vladmir's Offering	109	2.1%	71.6%
Cloak	104	2.0%	33.7%
Heaven's Halberd	100	1.9%	47.0%
Enchanted Mango	95	1.8%	31.6%
Manta Style	93	1.8%	47.3%
Veil of Discord	92	1.8%	66.3%
Soul Ring	92	1.8%	52.2%
Monkey King Bar	86	1.7%	60.5%
Magic Stick	85	1.6%	28.2%