It's

Items in their inventory when the game ended, across 18 games.

Item	Games	Of all games	Win rate
Glimmer Cape	7	38.9%	57.1%
Ghost Scepter	6	33.3%	33.3%
Magic Wand	5	27.8%	80.0%
Power Treads	5	27.8%	40.0%
Aghanim's Scepter	4	22.2%	50.0%
Guardian Greaves	4	22.2%	50.0%
Aether Lens	4	22.2%	50.0%
Wind Lace	3	16.7%	100.0%
Boots of Bearing	3	16.7%	33.3%
Black King Bar	3	16.7%	0.0%
Mjollnir	2	11.1%	100.0%
Dragon Lance	2	11.1%	50.0%
Meteor Hammer	2	11.1%	50.0%
Bracer	2	11.1%	50.0%
Spirit Vessel	2	11.1%	50.0%
Observer Ward	2	11.1%	50.0%
Arcane Boots	2	11.1%	50.0%
Rod of Atos	2	11.1%	50.0%
Force Staff	2	11.1%	50.0%
Silver Edge	2	11.1%	50.0%
Manta Style	2	11.1%	50.0%
Blade Mail	2	11.1%	50.0%
Blink Dagger	2	11.1%	0.0%
Observer and Sentry Wards	2	11.1%	0.0%
Maelstrom	2	11.1%	0.0%
Healing Lotus	1	5.6%	100.0%
Sentry Ward	1	5.6%	100.0%
Overwhelming Blink	1	5.6%	100.0%
Heart of Tarrasque	1	5.6%	100.0%
Boots of Travel	1	5.6%	100.0%
Assault Cuirass	1	5.6%	100.0%
Sange and Yasha	1	5.6%	100.0%
Radiance	1	5.6%	100.0%
Armlet of Mordiggian	1	5.6%	100.0%
Iron Branch	1	5.6%	100.0%
Crimson Guard	1	5.6%	100.0%
Shiva's Guard	1	5.6%	100.0%
Lotus Orb	1	5.6%	100.0%
Hurricane Pike	1	5.6%	100.0%
Satanic	1	5.6%	100.0%
Boots of Travel 2	1	5.6%	100.0%
Dust of Appearance	1	5.6%	100.0%
Tranquil Boots	1	5.6%	100.0%
Gleipnir	1	5.6%	0.0%
Eul's Scepter of Divinity	1	5.6%	0.0%
Ogre Axe	1	5.6%	0.0%
Orchid Malevolence	1	5.6%	0.0%
Harpoon	1	5.6%	0.0%
Moon Shard	1	5.6%	0.0%
Phase Boots	1	5.6%	0.0%
Orb of Blight	1	5.6%	0.0%
Morbid Mask	1	5.6%	0.0%
Magic Stick	1	5.6%	0.0%
Vladmir's Offering	1	5.6%	0.0%
Broadsword	1	5.6%	0.0%
Hand of Midas	1	5.6%	0.0%
Talisman of Evasion	1	5.6%	0.0%