Most impactful items

Explain this to me

In the items component you may see various items stats. Overview shows top of the most impactful items (in general and for a specific hero) based on their effect on winrate, compared to games when the item wasn't purchased, with the highest positive and negative impacts respectively. Notable timings section shows earliest purchase timings for item-hero pairs with the highest winrate gradient per minute.

Overall

	Pickups	Winrate	When picked
Mask of Madness	56	85.71%	+36.23%
Boots of Bearing	43	81.82%	+32.12%
Overwhelming Blink	57	78.57%	+29.27%
Linken's Sphere	139	77.14%	+29.00%
Shiva's Guard	89	77.27%	+28.04%
Aghanim's Shard	1248	55.45%	+27.92%
Kaya and Sange	121	76.67%	+27.79%
Octarine Core	85	76.19%	+27.18%
Daedalus	64	75.00%	+25.36%
Assault Cuirass	145	72.22%	+23.52%

	Pickups	Winrate	When picked
Battle Fury	49	33.33%	-16.95%
Armlet of Mordiggian	80	45.00%	-5.16%
Orb of Corrosion	117	48.28%	-1.50%
Hand of Midas	59	53.33%	+3.57%
Eul's Scepter of Divinity	124	54.84%	+5.65%
Sange	208	53.85%	+5.68%
Shadow Blade	116	55.17%	+5.70%
Dragon Lance	153	55.26%	+5.82%
Force Staff	383	52.08%	+6.04%
Manta Style	136	55.88%	+6.48%

For heroes

	Pickups	Winrate	When picked
Boots of Travel	9	100.0%	+100.0%
Aghanim's Scepter	14	100.0%	+100.0%
Power Treads	23	100.0%	+100.0%
Boots of Travel	10	100.0%	+100.0%
Black King Bar	37	88.9%	+88.9%
Power Treads	24	100.0%	+88.9%
Eye of Skadi	22	83.3%	+83.3%
Black King Bar	48	83.3%	+83.3%
Power Treads	20	80.0%	+80.0%
Black King Bar	18	80.0%	+80.0%

	Pickups	Winrate	When picked
Mask of Madness	14	33.3%	-66.7%
Hood of Defiance	11	0.0%	-60.0%
Tranquil Boots	24	50.0%	-50.0%
Skull Basher	29	14.3%	-46.8%
Aghanim's Shard	40	50.0%	-35.7%
Urn of Shadows	13	33.3%	-35.4%
Aghanim's Shard	24	33.3%	-33.3%
Aghanim's Shard	20	40.0%	-29.2%
Aether Lens	12	33.3%	-23.8%
Aghanim's Shard	25	33.3%	-21.2%

Most notable timings records

		Pickups	Winrate	Gradient (%/min)	Median	Games with the best timings
Viper	Urn of Shadows	12	58.33%	-47.62%	04:20	6700261686 - WLB ⚔ SR1 - Series 1 - Game 2 - (03:09)
Brewmaster	Urn of Shadows	7	57.14%	-32.97%	05:05	6632145094 - W ⚔ Mr - Series 1 - Game 1 - (03:19)
Monkey King	Power Treads	18	33.33%	-30.43%	07:04	6767049877 - Ass ⚔ Mr - Series 2 - Game 1 - (05:06)
Mirana	Spirit Vessel	11	54.55%	-25.64%	19:57	6627945363 - Sus ⚔ TOILET - Series 1 - Game 1 - (15:29)
Sand King	Blink Dagger	26	53.85%	-24.70%	11:43	6712344513 - Ass ⚔ 8==D - Series 2 - Game 3 - (08:09)
Juggernaut	Phase Boots	51	60.78%	-23.55%	06:27	6662152038 - TOILET ⚔ PISS - Series 1 - Game 2 - (03:51)
Phoenix	Tranquil Boots	16	43.75%	-23.44%	07:35	6590041295 - Mr ⚔ VIS - Series 1 - Game 2 - (05:18)
Wraith King	Desolator	18	22.22%	-23.08%	18:27	6608382314 - Ass ⚔ DFC - Series 1 - Game 2 - (17:00)
Templar Assassin	Dragon Lance	15	53.33%	-21.43%	11:29	6635083199 - SR1 ⚔ zZz - Series 1 - Game 1 - (09:31)
Doom	Phase Boots	19	47.37%	-21.43%	06:26	6613560657 - BU ⚔ zZz - Series 1 - Game 1 - (04:11)