2+2=22

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

Item	Games	Of all games	Win rate
Power Treads	10	52.6%	40.0%
Magic Wand	6	31.6%	50.0%
Blink Dagger	6	31.6%	50.0%
Harpoon	5	26.3%	80.0%
Aghanim's Scepter	5	26.3%	60.0%
Phase Boots	4	21.1%	75.0%
Manta Style	4	21.1%	75.0%
Skull Basher	4	21.1%	50.0%
Battle Fury	4	21.1%	25.0%
Boots of Travel	3	15.8%	66.7%
Monkey King Bar	3	15.8%	33.3%
Black King Bar	3	15.8%	33.3%
Shiva's Guard	2	10.5%	100.0%
Daedalus	2	10.5%	100.0%
Pipe of Insight	2	10.5%	50.0%
Radiance	2	10.5%	50.0%
Eye of Skadi	2	10.5%	50.0%
Wraith Band	2	10.5%	50.0%
Eul's Scepter of Divinity	2	10.5%	0.0%
Ghost Scepter	1	5.3%	100.0%
Overwhelming Blink	1	5.3%	100.0%
Spirit Vessel	1	5.3%	100.0%
Dust of Appearance	1	5.3%	100.0%
Assault Cuirass	1	5.3%	100.0%
Bloodstone	1	5.3%	100.0%
Null Talisman	1	5.3%	100.0%
Kaya	1	5.3%	100.0%
Bloodthorn	1	5.3%	100.0%
Eaglesong	1	5.3%	100.0%
Ultimate Orb	1	5.3%	100.0%
Hydra's Breath	1	5.3%	100.0%
Butterfly	1	5.3%	100.0%
Blade of Alacrity	1	5.3%	100.0%
Essence Distiller	1	5.3%	0.0%
Gleipnir	1	5.3%	0.0%
Tranquil Boots	1	5.3%	0.0%
Lotus Orb	1	5.3%	0.0%
Guardian Greaves	1	5.3%	0.0%
Meteor Hammer	1	5.3%	0.0%
Helm of the Overlord	1	5.3%	0.0%
Silver Edge	1	5.3%	0.0%
Mjollnir	1	5.3%	0.0%
Echo Sabre	1	5.3%	0.0%
Abyssal Blade	1	5.3%	0.0%
Desolator	1	5.3%	0.0%
Bracer	1	5.3%	0.0%
Mask of Madness	1	5.3%	0.0%
Diffusal Blade	1	5.3%	0.0%