5 cores

Items in their inventory when the game ended, across 9 games.

Item	Games	Of all games	Win rate
Blink Dagger	5	55.6%	40.0%
Phase Boots	4	44.4%	75.0%
Magic Wand	4	44.4%	50.0%
Power Treads	3	33.3%	33.3%
Bracer	3	33.3%	33.3%
Black King Bar	3	33.3%	0.0%
Vladmir's Offering	3	33.3%	0.0%
Harpoon	2	22.2%	100.0%
Desolator	2	22.2%	100.0%
Blade Mail	2	22.2%	100.0%
Shadow Blade	2	22.2%	50.0%
Mage Slayer	2	22.2%	50.0%
Linken's Sphere	1	11.1%	100.0%
Lotus Orb	1	11.1%	100.0%
Arcane Blink	1	11.1%	100.0%
Heart of Tarrasque	1	11.1%	100.0%
Sange and Yasha	1	11.1%	100.0%
Manta Style	1	11.1%	100.0%
Clarity	1	11.1%	100.0%
Boots of Bearing	1	11.1%	0.0%
Spirit Vessel	1	11.1%	0.0%
Aghanim's Scepter	1	11.1%	0.0%
Sentry Ward	1	11.1%	0.0%
Iron Branch	1	11.1%	0.0%
Void Stone	1	11.1%	0.0%
Dust of Appearance	1	11.1%	0.0%
Boots of Speed	1	11.1%	0.0%
Magic Stick	1	11.1%	0.0%
Buckler	1	11.1%	0.0%