Maybe next time

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

Item	Games	Of all games	Win rate
Black King Bar	11	57.9%	36.4%
Power Treads	9	47.4%	22.2%
Blink Dagger	8	42.1%	37.5%
Desolator	6	31.6%	50.0%
Magic Wand	6	31.6%	0.0%
Aghanim's Scepter	5	26.3%	60.0%
Monkey King Bar	4	21.1%	75.0%
Phase Boots	4	21.1%	25.0%
Eul's Scepter of Divinity	3	15.8%	66.7%
Battle Fury	3	15.8%	33.3%
Mage Slayer	3	15.8%	33.3%
Swift Blink	2	10.5%	100.0%
Daedalus	2	10.5%	100.0%
Skull Basher	2	10.5%	50.0%
Nullifier	2	10.5%	50.0%
Aeon Disk	2	10.5%	50.0%
Dust of Appearance	2	10.5%	50.0%
Orchid Malevolence	2	10.5%	0.0%
Butterfly	2	10.5%	0.0%
Bloodthorn	1	5.3%	100.0%
Abyssal Blade	1	5.3%	100.0%
Satanic	1	5.3%	100.0%
Aegis of the Immortal	1	5.3%	100.0%
Linken's Sphere	1	5.3%	100.0%
Eaglesong	1	5.3%	100.0%
Platemail	1	5.3%	100.0%
Consecrated Wraps	1	5.3%	100.0%
Glimmer Cape	1	5.3%	100.0%
Tranquil Boots	1	5.3%	100.0%
Aether Lens	1	5.3%	100.0%
Arcane Boots	1	5.3%	100.0%
Kaya and Sange	1	5.3%	100.0%
Refresher Orb	1	5.3%	100.0%
Meteor Hammer	1	5.3%	100.0%
Boots of Travel	1	5.3%	100.0%
Shiva's Guard	1	5.3%	100.0%
Manta Style	1	5.3%	0.0%
Radiance	1	5.3%	0.0%
Orb of Frost	1	5.3%	0.0%
Crystalys	1	5.3%	0.0%
Octarine Core	1	5.3%	0.0%
Mithril Hammer	1	5.3%	0.0%
Greater Healing Lotus	1	5.3%	0.0%
Overwhelming Blink	1	5.3%	0.0%
Assault Cuirass	1	5.3%	0.0%
Spirit Vessel	1	5.3%	0.0%
Ogre Axe	1	5.3%	0.0%
Boots of Speed	1	5.3%	0.0%
Observer and Sentry Wards	1	5.3%	0.0%
Wraith Band	1	5.3%	0.0%
Claymore	1	5.3%	0.0%
Mask of Madness	1	5.3%	0.0%
Wind Lace	1	5.3%	0.0%
Mjollnir	1	5.3%	0.0%