Firework

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

Item	Games	Of all games	Win rate
Aghanim's Scepter	9	52.9%	33.3%
Black King Bar	8	47.1%	50.0%
Blink Dagger	7	41.2%	71.4%
Power Treads	7	41.2%	71.4%
Phase Boots	5	29.4%	20.0%
Kaya and Sange	3	17.6%	66.7%
Soul Ring	3	17.6%	33.3%
Observer and Sentry Wards	3	17.6%	33.3%
Skull Basher	2	11.8%	100.0%
Diffusal Blade	2	11.8%	100.0%
Eul's Scepter of Divinity	2	11.8%	50.0%
Manta Style	2	11.8%	50.0%
Essence Distiller	2	11.8%	50.0%
Dust of Appearance	2	11.8%	50.0%
Boots of Speed	2	11.8%	50.0%
Arcane Boots	2	11.8%	50.0%
Bottle	2	11.8%	0.0%
Spirit Vessel	2	11.8%	0.0%
Mage Slayer	2	11.8%	0.0%
Linken's Sphere	1	5.9%	100.0%
Parasma	1	5.9%	100.0%
Maelstrom	1	5.9%	100.0%
Wind Waker	1	5.9%	100.0%
Chasm Stone	1	5.9%	100.0%
Aether Lens	1	5.9%	100.0%
Lotus Orb	1	5.9%	100.0%
Point Booster	1	5.9%	100.0%
Drum of Endurance	1	5.9%	100.0%
Shiva's Guard	1	5.9%	100.0%
Butterfly	1	5.9%	100.0%
Satanic	1	5.9%	100.0%
Hurricane Pike	1	5.9%	100.0%
Nullifier	1	5.9%	100.0%
Scythe of Vyse	1	5.9%	0.0%
Radiance	1	5.9%	0.0%
Boots of Travel	1	5.9%	0.0%
Heart of Tarrasque	1	5.9%	0.0%
Wind Lace	1	5.9%	0.0%
Gem of True Sight	1	5.9%	0.0%
Platemail	1	5.9%	0.0%
Armlet of Mordiggian	1	5.9%	0.0%
Ogre Axe	1	5.9%	0.0%
Gauntlets of Strength	1	5.9%	0.0%
Dragon Lance	1	5.9%	0.0%
Magic Stick	1	5.9%	0.0%
Mjollnir	1	5.9%	0.0%
Witch Blade	1	5.9%	0.0%
Glimmer Cape	1	5.9%	0.0%
Magic Wand	1	5.9%	0.0%