I'm Walrus

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

Item	Games	Of all games	Win rate
Aether Lens	12	66.7%	33.3%
Blink Dagger	11	61.1%	45.5%
Arcane Boots	10	55.6%	30.0%
Aghanim's Scepter	8	44.4%	50.0%
Octarine Core	5	27.8%	40.0%
Tranquil Boots	4	22.2%	50.0%
Wind Waker	4	22.2%	0.0%
Magic Wand	3	16.7%	66.7%
Boots of Travel 2	3	16.7%	66.7%
Desolator	3	16.7%	66.7%
Observer and Sentry Wards	3	16.7%	0.0%
Harpoon	2	11.1%	100.0%
Assault Cuirass	2	11.1%	100.0%
Observer Ward	2	11.1%	100.0%
Yasha and Kaya	2	11.1%	50.0%
Shiva's Guard	2	11.1%	50.0%
Ghost Scepter	2	11.1%	0.0%
Ethereal Blade	2	11.1%	0.0%
Scythe of Vyse	2	11.1%	0.0%
Eul's Scepter of Divinity	2	11.1%	0.0%
Swift Blink	1	5.6%	100.0%
Silver Edge	1	5.6%	100.0%
Spirit Vessel	1	5.6%	100.0%
Heaven's Halberd	1	5.6%	100.0%
Sentry Ward	1	5.6%	100.0%
Overwhelming Blink	1	5.6%	0.0%
Divine Rapier	1	5.6%	0.0%
Daedalus	1	5.6%	0.0%
Refresher Orb	1	5.6%	0.0%
Parasma	1	5.6%	0.0%
Rod of Atos	1	5.6%	0.0%
Power Treads	1	5.6%	0.0%
Crystalys	1	5.6%	0.0%
Maelstrom	1	5.6%	0.0%
Monkey King Bar	1	5.6%	0.0%
Dagon	1	5.6%	0.0%
Null Talisman	1	5.6%	0.0%
Dagon	1	5.6%	0.0%
Meteor Hammer	1	5.6%	0.0%
Lotus Orb	1	5.6%	0.0%