Professor

Items in their inventory when the game ended, across 17 games.

Item	Games	Of all games	Win rate
Black King Bar	8	47.1%	37.5%
Blink Dagger	7	41.2%	42.9%
Aghanim's Scepter	5	29.4%	80.0%
Power Treads	5	29.4%	0.0%
Boots of Travel	4	23.5%	100.0%
Kaya and Sange	4	23.5%	100.0%
Linken's Sphere	4	23.5%	75.0%
Octarine Core	3	17.6%	100.0%
Hurricane Pike	3	17.6%	66.7%
Sange and Yasha	3	17.6%	66.7%
Mage Slayer	3	17.6%	33.3%
Butterfly	3	17.6%	33.3%
Battle Fury	3	17.6%	33.3%
Ghost Scepter	2	11.8%	50.0%
Satanic	2	11.8%	50.0%
Blade Mail	2	11.8%	50.0%
Phase Boots	2	11.8%	50.0%
Heart of Tarrasque	2	11.8%	50.0%
Crella's Crozier	2	11.8%	50.0%
Eye of Skadi	2	11.8%	50.0%
Radiance	2	11.8%	50.0%
Manta Style	2	11.8%	50.0%
Dust of Appearance	1	5.9%	100.0%
Arcane Boots	1	5.9%	100.0%
Assault Cuirass	1	5.9%	100.0%
Soul Ring	1	5.9%	100.0%
Aeon Disk	1	5.9%	100.0%
Armlet of Mordiggian	1	5.9%	100.0%
Overwhelming Blink	1	5.9%	100.0%
Eul's Scepter of Divinity	1	5.9%	100.0%
Wind Waker	1	5.9%	100.0%
Boots of Travel 2	1	5.9%	100.0%
Swift Blink	1	5.9%	100.0%
Skull Basher	1	5.9%	100.0%
Spirit Vessel	1	5.9%	100.0%
Lotus Orb	1	5.9%	0.0%
Bracer	1	5.9%	0.0%
Tranquil Boots	1	5.9%	0.0%
Parasma	1	5.9%	0.0%
Shadow Blade	1	5.9%	0.0%
Witch Blade	1	5.9%	0.0%
Slippers of Agility	1	5.9%	0.0%
Null Talisman	1	5.9%	0.0%
Hand of Midas	1	5.9%	0.0%
Disperser	1	5.9%	0.0%
Abyssal Blade	1	5.9%	0.0%
Blitz Knuckles	1	5.9%	0.0%
Yasha	1	5.9%	0.0%