Greninja

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

Item	Games	Of all games	Win rate
Blink Dagger	6	37.5%	50.0%
Consecrated Wraps	5	31.3%	80.0%
Force Staff	4	25.0%	75.0%
Guardian Greaves	4	25.0%	75.0%
Tranquil Boots	3	18.8%	100.0%
Aghanim's Scepter	3	18.8%	66.7%
Platemail	3	18.8%	66.7%
Ghost Scepter	3	18.8%	66.7%
Arcane Boots	3	18.8%	33.3%
Eul's Scepter of Divinity	3	18.8%	33.3%
Lotus Orb	2	12.5%	100.0%
Rod of Atos	2	12.5%	100.0%
Dust of Appearance	2	12.5%	50.0%
Heart of Tarrasque	2	12.5%	50.0%
Power Treads	2	12.5%	50.0%
Vanguard	2	12.5%	50.0%
Perseverance	2	12.5%	50.0%
Phase Boots	2	12.5%	50.0%
Boots of Speed	2	12.5%	0.0%
Orb of Blight	2	12.5%	0.0%
Black King Bar	2	12.5%	0.0%
Khanda	1	6.3%	100.0%
Wraith Band	1	6.3%	100.0%
Kaya	1	6.3%	100.0%
Shiva's Guard	1	6.3%	100.0%
Quelling Blade	1	6.3%	100.0%
Clarity	1	6.3%	100.0%
Wind Waker	1	6.3%	100.0%
Assault Cuirass	1	6.3%	100.0%
Ring of Health	1	6.3%	100.0%
Radiance	1	6.3%	100.0%
Bracer	1	6.3%	100.0%
Hyperstone	1	6.3%	100.0%
Observer Ward	1	6.3%	100.0%
Phylactery	1	6.3%	0.0%
Ring of Basilius	1	6.3%	0.0%
Point Booster	1	6.3%	0.0%
Blade of Alacrity	1	6.3%	0.0%
Witch Blade	1	6.3%	0.0%
Kaya and Sange	1	6.3%	0.0%
Buckler	1	6.3%	0.0%
Yasha	1	6.3%	0.0%
Desolator	1	6.3%	0.0%
Javelin	1	6.3%	0.0%
Morbid Mask	1	6.3%	0.0%
Skull Basher	1	6.3%	0.0%
Blade Mail	1	6.3%	0.0%
Daedalus	1	6.3%	0.0%
Hurricane Pike	1	6.3%	0.0%
Wind Lace	1	6.3%	0.0%
Aether Lens	1	6.3%	0.0%