seven

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

Item	Games	Of all games	Win rate
Aghanim's Scepter	10	52.6%	50.0%
Monkey King Bar	9	47.4%	66.7%
Power Treads	8	42.1%	50.0%
Blink Dagger	6	31.6%	33.3%
Swift Blink	5	26.3%	60.0%
Battle Fury	5	26.3%	60.0%
Boots of Travel	5	26.3%	40.0%
Hydra's Breath	4	21.1%	50.0%
Arcane Boots	4	21.1%	25.0%
Refresher Orb	4	21.1%	25.0%
Hurricane Pike	3	15.8%	66.7%
Satanic	3	15.8%	66.7%
Manta Style	3	15.8%	66.7%
Daedalus	3	15.8%	66.7%
Yasha	3	15.8%	33.3%
Yasha and Kaya	3	15.8%	33.3%
Aegis of the Immortal	2	10.5%	100.0%
Black King Bar	2	10.5%	100.0%
Moon Shard	2	10.5%	50.0%
Eul's Scepter of Divinity	2	10.5%	50.0%
Scythe of Vyse	2	10.5%	0.0%
Observer and Sentry Wards	2	10.5%	0.0%
Silver Edge	2	10.5%	0.0%
Khanda	2	10.5%	0.0%
Wind Waker	2	10.5%	0.0%
Lotus Orb	1	5.3%	100.0%
Observer Ward	1	5.3%	100.0%
Kaya	1	5.3%	100.0%
Shadow Blade	1	5.3%	0.0%
Harpoon	1	5.3%	0.0%
Phase Boots	1	5.3%	0.0%
Linken's Sphere	1	5.3%	0.0%
Desolator	1	5.3%	0.0%
Hand of Midas	1	5.3%	0.0%
Kaya and Sange	1	5.3%	0.0%
Aeon Disk	1	5.3%	0.0%
Hyperstone	1	5.3%	0.0%
Perseverance	1	5.3%	0.0%
Force Staff	1	5.3%	0.0%