Magikarp

Items in their inventory when the game ended, across 16 games.

Item	Games	Of all games	Win rate
Power Treads	9	56.3%	55.6%
Wraith Band	6	37.5%	33.3%
Aghanim's Scepter	4	25.0%	75.0%
Mjollnir	4	25.0%	50.0%
Satanic	3	18.8%	100.0%
Hurricane Pike	3	18.8%	66.7%
Boots of Travel	3	18.8%	33.3%
Point Booster	3	18.8%	0.0%
Ogre Axe	3	18.8%	0.0%
Hydra's Breath	2	12.5%	100.0%
Null Talisman	2	12.5%	50.0%
Shadow Blade	2	12.5%	50.0%
Harpoon	2	12.5%	50.0%
Manta Style	2	12.5%	50.0%
Blink Dagger	2	12.5%	50.0%
Butterfly	2	12.5%	50.0%
Maelstrom	2	12.5%	50.0%
Staff of Wizardry	2	12.5%	0.0%
Quelling Blade	2	12.5%	0.0%
Dragon Lance	2	12.5%	0.0%
Boots of Speed	2	12.5%	0.0%
Spirit Vessel	2	12.5%	0.0%
Linken's Sphere	1	6.3%	100.0%
Bracer	1	6.3%	100.0%
Skull Basher	1	6.3%	100.0%
Assault Cuirass	1	6.3%	100.0%
Magic Wand	1	6.3%	100.0%
Arcane Boots	1	6.3%	100.0%
Mask of Madness	1	6.3%	100.0%
Daedalus	1	6.3%	100.0%
Orchid Malevolence	1	6.3%	100.0%
Eye of Skadi	1	6.3%	100.0%
Monkey King Bar	1	6.3%	100.0%
Witch Blade	1	6.3%	0.0%
Sange and Yasha	1	6.3%	0.0%
Ultimate Orb	1	6.3%	0.0%
Chasm Stone	1	6.3%	0.0%
Splintmail	1	6.3%	0.0%
Blade Mail	1	6.3%	0.0%
Boots of Bearing	1	6.3%	0.0%
Sentry Ward	1	6.3%	0.0%
Gleipnir	1	6.3%	0.0%
Parasma	1	6.3%	0.0%
Hand of Midas	1	6.3%	0.0%
Bloodthorn	1	6.3%	0.0%
Morbid Mask	1	6.3%	0.0%