Hmm

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

Item	Games	Of all games	Win rate
Blink Dagger	16	84.2%	75.0%
Black King Bar	11	57.9%	81.8%
Phase Boots	7	36.8%	85.7%
Soul Ring	6	31.6%	83.3%
Blade Mail	4	21.1%	100.0%
Bracer	4	21.1%	75.0%
Shiva's Guard	4	21.1%	75.0%
Null Talisman	4	21.1%	0.0%
Ogre Axe	3	15.8%	100.0%
Lotus Orb	3	15.8%	100.0%
Boots of Travel	3	15.8%	100.0%
Scythe of Vyse	3	15.8%	66.7%
Aghanim's Scepter	3	15.8%	66.7%
Drum of Endurance	3	15.8%	66.7%
Kaya	3	15.8%	0.0%
Solar Crest	2	10.5%	100.0%
Hand of Midas	2	10.5%	100.0%
Tranquil Boots	2	10.5%	100.0%
Aether Lens	2	10.5%	100.0%
Meteor Hammer	2	10.5%	100.0%
Octarine Core	2	10.5%	100.0%
Ghost Scepter	2	10.5%	50.0%
Magic Wand	2	10.5%	50.0%
Eul's Scepter of Divinity	2	10.5%	50.0%
Boots of Speed	2	10.5%	0.0%
Arcane Boots	2	10.5%	0.0%
Magic Stick	2	10.5%	0.0%
Boots of Bearing	1	5.3%	100.0%
Yasha	1	5.3%	100.0%
Overwhelming Blink	1	5.3%	100.0%
Yasha and Kaya	1	5.3%	100.0%
Dust of Appearance	1	5.3%	100.0%
Power Treads	1	5.3%	100.0%
Staff of Wizardry	1	5.3%	0.0%
Helm of the Dominator	1	5.3%	0.0%
Glimmer Cape	1	5.3%	0.0%