It's all about INVOKER

Items in their inventory when the game ended, across 9 games.

Item	Games	Of all games	Win rate
Black King Bar	6	66.7%	33.3%
Monkey King Bar	3	33.3%	33.3%
Boots of Travel	3	33.3%	0.0%
Aghanim's Scepter	2	22.2%	50.0%
Aether Lens	2	22.2%	50.0%
Magic Wand	2	22.2%	50.0%
Guardian Greaves	2	22.2%	50.0%
Linken's Sphere	2	22.2%	50.0%
Power Treads	2	22.2%	50.0%
Mjollnir	2	22.2%	0.0%
Blink Dagger	2	22.2%	0.0%
Glimmer Cape	2	22.2%	0.0%
Observer and Sentry Wards	2	22.2%	0.0%
Satanic	2	22.2%	0.0%
Hand of Midas	1	11.1%	100.0%
Force Staff	1	11.1%	100.0%
Sentry Ward	1	11.1%	100.0%
Disperser	1	11.1%	100.0%
Hurricane Pike	1	11.1%	100.0%
Desolator	1	11.1%	100.0%
Bloodstone	1	11.1%	100.0%
Wind Waker	1	11.1%	100.0%
Octarine Core	1	11.1%	100.0%
Scythe of Vyse	1	11.1%	0.0%
Silver Edge	1	11.1%	0.0%
Tranquil Boots	1	11.1%	0.0%
Swift Blink	1	11.1%	0.0%
Abyssal Blade	1	11.1%	0.0%
Lotus Orb	1	11.1%	0.0%
Dust of Appearance	1	11.1%	0.0%
Eul's Scepter of Divinity	1	11.1%	0.0%
Daedalus	1	11.1%	0.0%
Maelstrom	1	11.1%	0.0%
Shadow Blade	1	11.1%	0.0%