Observer

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%
Satanic	7	36.8%	71.4%
Blink Dagger	7	36.8%	42.9%
Arcane Boots	6	31.6%	83.3%
Black King Bar	6	31.6%	50.0%
Phase Boots	5	26.3%	60.0%
Magic Wand	5	26.3%	40.0%
Octarine Core	4	21.1%	75.0%
Hurricane Pike	4	21.1%	50.0%
Moon Shard	3	15.8%	100.0%
Sentry Ward	3	15.8%	66.7%
Aether Lens	3	15.8%	33.3%
Rod of Atos	3	15.8%	33.3%
Tranquil Boots	3	15.8%	0.0%
Overwhelming Blink	2	10.5%	100.0%
Monkey King Bar	2	10.5%	100.0%
Swift Blink	2	10.5%	100.0%
Linken's Sphere	2	10.5%	100.0%
Manta Style	2	10.5%	100.0%
Observer Ward	2	10.5%	50.0%
Boots of Travel	2	10.5%	0.0%
Drum of Endurance	2	10.5%	0.0%
Divine Rapier	1	5.3%	100.0%
Daedalus	1	5.3%	100.0%
Power Treads	1	5.3%	100.0%
Mjollnir	1	5.3%	100.0%
Gem of True Sight	1	5.3%	100.0%
Orb of Blight	1	5.3%	100.0%
Ring of Tarrasque	1	5.3%	100.0%
Essence Distiller	1	5.3%	100.0%
Battle Fury	1	5.3%	100.0%
Perseverance	1	5.3%	0.0%
Observer and Sentry Wards	1	5.3%	0.0%
Soul Ring	1	5.3%	0.0%
Heaven's Halberd	1	5.3%	0.0%
Force Staff	1	5.3%	0.0%
Guardian Greaves	1	5.3%	0.0%
Echo Sabre	1	5.3%	0.0%
Vital Toadstool	1	5.3%	0.0%
Radiance	1	5.3%	0.0%
Heart of Tarrasque	1	5.3%	0.0%
Shiva's Guard	1	5.3%	0.0%
Lotus Orb	1	5.3%	0.0%
Scythe of Vyse	1	5.3%	0.0%
Glimmer Cape	1	5.3%	0.0%
Wraith Band	1	5.3%	0.0%
Silver Edge	1	5.3%	0.0%