Five

Items in their inventory when the game ended, across 18 games.

Item	Games	Of all games	Win rate
Aghanim's Scepter	8	44.4%	62.5%
Black King Bar	7	38.9%	28.6%
Blink Dagger	6	33.3%	83.3%
Arcane Boots	5	27.8%	80.0%
Aether Lens	4	22.2%	50.0%
Power Treads	4	22.2%	25.0%
Heart of Tarrasque	3	16.7%	100.0%
Octarine Core	3	16.7%	66.7%
Daedalus	3	16.7%	33.3%
Consecrated Wraps	2	11.1%	100.0%
Rod of Atos	2	11.1%	100.0%
Null Talisman	2	11.1%	100.0%
Boots of Travel	2	11.1%	100.0%
Overwhelming Blink	2	11.1%	50.0%
Kaya and Sange	2	11.1%	50.0%
Force Staff	2	11.1%	50.0%
Magic Wand	2	11.1%	50.0%
Mjollnir	2	11.1%	50.0%
Crella's Crozier	2	11.1%	50.0%
Harpoon	2	11.1%	50.0%
Glimmer Cape	2	11.1%	50.0%
Aeon Disk	2	11.1%	50.0%
Manta Style	2	11.1%	0.0%
Monkey King Bar	2	11.1%	0.0%
Boots of Travel 2	1	5.6%	100.0%
Kaya	1	5.6%	100.0%
Refresher Orb	1	5.6%	100.0%
Yasha and Kaya	1	5.6%	100.0%
Phase Boots	1	5.6%	100.0%
Point Booster	1	5.6%	100.0%
Staff of Wizardry	1	5.6%	100.0%
Observer Ward	1	5.6%	100.0%
Boots of Bearing	1	5.6%	100.0%
Disperser	1	5.6%	100.0%
Morbid Mask	1	5.6%	100.0%
Eye of Skadi	1	5.6%	100.0%
Moon Shard	1	5.6%	100.0%
Parasma	1	5.6%	100.0%
Dust of Appearance	1	5.6%	100.0%
Shiva's Guard	1	5.6%	0.0%
Guardian Greaves	1	5.6%	0.0%
Diffusal Blade	1	5.6%	0.0%
Echo Sabre	1	5.6%	0.0%
Wraith Band	1	5.6%	0.0%
Sentry Ward	1	5.6%	0.0%
Tranquil Boots	1	5.6%	0.0%
Silver Edge	1	5.6%	0.0%
Assault Cuirass	1	5.6%	0.0%
Swift Blink	1	5.6%	0.0%
Satanic	1	5.6%	0.0%
Armlet of Mordiggian	1	5.6%	0.0%
Sange and Yasha	1	5.6%	0.0%
Mask of Madness	1	5.6%	0.0%
Hydra's Breath	1	5.6%	0.0%
Crystalys	1	5.6%	0.0%