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
Overwhelming Blink	49	100.00%	+51.33%
Moon Shard	41	80.00%	+31.15%
Assault Cuirass	96	79.17%	+31.04%
Aghanim's Blessing	74	78.95%	+31.00%
Butterfly	61	80.00%	+30.69%
Witch Blade	38	80.00%	+30.34%
Drum of Endurance	76	78.95%	+30.24%
Vanguard	110	77.78%	+28.67%
Bloodthorn	37	77.78%	+28.46%
Boots of Travel 2	67	76.47%	+28.35%

	Pickups	Winrate	When picked
Mask of Madness	62	37.50%	-12.57%
Spirit Vessel	91	43.48%	-6.59%
Mjollnir	52	46.15%	-3.61%
Urn of Shadows	121	46.67%	-2.76%
Solar Crest	107	51.85%	+2.42%
Diffusal Blade	68	52.94%	+2.94%
Medallion of Courage	120	53.33%	+3.94%
Rod of Atos	44	54.55%	+4.65%
Tranquil Boots	197	53.06%	+5.67%
Desolator	70	55.56%	+5.94%

For heroes

	Pickups	Winrate	When picked
Aghanim's Scepter	8	100.0%	+100.0%
Blink Dagger	16	100.0%	+100.0%
Diffusal Blade	5	100.0%	+100.0%
Phase Boots	36	88.9%	+88.9%
Blink Dagger	28	85.7%	+85.7%
Blink Dagger	26	85.7%	+85.7%
Hurricane Pike	16	100.0%	+85.7%
Assault Cuirass	13	100.0%	+83.3%
Yasha	21	80.0%	+80.0%
Manta Style	21	80.0%	+80.0%

	Pickups	Winrate	When picked
Arcane Boots	19	40.0%	-60.0%
Hand of Midas	10	50.0%	-50.0%
Blade Mail	21	60.0%	-40.0%
Tranquil Boots	41	60.0%	-40.0%
Armlet of Mordiggian	39	70.0%	-30.0%
Force Staff	9	50.0%	-27.8%
Aghanim's Shard	43	54.6%	-25.5%
Yasha	16	75.0%	-25.0%
Manta Style	14	50.0%	-25.0%
Arcane Boots	11	33.3%	-23.8%

Most notable timings records

		Pickups	Winrate	Gradient (%/min)	Median	Games with the best timings
Naga Siren	Yasha	16	56.25%	-46.88%	11:10	7384067209 - Tundra ⚔ nouns - Series 1 - Game 1 - (08:31)
Bristleback	Aghanim's Scepter	40	50.00%	-42.35%	15:47	7383785611 - LGD ⚔ VKS - Series 1 - Game 2 - (13:11)
Treant Protector	Aghanim's Shard	32	56.25%	-36.97%	16:31	7391585748 - LGD ⚔ 9Pandas - Series 1 - Game 1 - (15:01)
Centaur Warrunner	Vanguard	25	36.00%	-35.71%	06:05	7380091953 - SR ⚔ BetBoom - Series 1 - Game 2 - (04:35)
Terrorblade	Power Treads	18	50.00%	-35.00%	05:31	7378530488 - TSpirit ⚔ 9Pandas - Series 1 - Game 1 - (04:32)
Earthshaker	Blink Dagger	26	46.15%	-31.86%	11:25	7380411342 - VP ⚔ nouns - Series 1 - Game 2 - (09:00)
Naga Siren	Manta Style	17	58.82%	-29.41%	14:23	7384067209 - Tundra ⚔ nouns - Series 1 - Game 1 - (12:36)
Spectre	Radiance	17	58.82%	-27.95%	20:20	7378829327 - GG ⚔ VP - Series 1 - Game 1 - (17:38)
Enchantress	Power Treads	21	57.14%	-27.27%	11:05	7395312177 - BetBoom ⚔ TLN - Series 1 - Game 3 - (08:42)
Luna	Manta Style	27	55.56%	-27.07%	16:37	7378901250 - TSpirit ⚔ Entity - Series 1 - Game 1 - (14:19)