Jesus.

Items in their inventory when the game ended, across 19 games.

Item	Games	Of all games	Win rate
Guardian Greaves	7	36.8%	100.0%
Aghanim's Scepter	7	36.8%	100.0%
Power Treads	7	36.8%	42.9%
Wind Waker	5	26.3%	80.0%
Aeon Disk	4	21.1%	75.0%
Swift Blink	4	21.1%	50.0%
Arcane Boots	4	21.1%	50.0%
Black King Bar	4	21.1%	50.0%
Force Staff	3	15.8%	100.0%
Dagon	3	15.8%	66.7%
Heart of Tarrasque	3	15.8%	66.7%
Blink Dagger	3	15.8%	66.7%
Yasha and Kaya	3	15.8%	66.7%
Abyssal Blade	3	15.8%	66.7%
Daedalus	3	15.8%	33.3%
Monkey King Bar	3	15.8%	0.0%
Scythe of Vyse	2	10.5%	100.0%
Lotus Orb	2	10.5%	100.0%
Parasma	2	10.5%	100.0%
Hurricane Pike	2	10.5%	100.0%
Dust of Appearance	2	10.5%	100.0%
Disperser	2	10.5%	50.0%
Refresher Orb	2	10.5%	50.0%
Desolator	2	10.5%	50.0%
Diffusal Blade	2	10.5%	50.0%
Manta Style	2	10.5%	50.0%
Skull Basher	2	10.5%	0.0%
Reaver	1	5.3%	100.0%
Hand of Midas	1	5.3%	100.0%
Tranquil Boots	1	5.3%	100.0%
Pipe of Insight	1	5.3%	100.0%
Aether Lens	1	5.3%	100.0%
Butterfly	1	5.3%	100.0%
Eul's Scepter of Divinity	1	5.3%	100.0%
Sentry Ward	1	5.3%	100.0%
Eye of Skadi	1	5.3%	100.0%
Moon Shard	1	5.3%	100.0%
Quelling Blade	1	5.3%	0.0%
Silver Edge	1	5.3%	0.0%
Battle Fury	1	5.3%	0.0%
Magic Wand	1	5.3%	0.0%