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
Butterfly	55	92.86%	+43.13%
Overwhelming Blink	50	92.31%	+43.02%
Satanic	78	90.00%	+40.92%
Pipe of Insight	56	85.71%	+36.33%
Daedalus	88	81.82%	+32.58%
Aghanim's Blessing	39	80.00%	+30.37%
Manta Style	117	79.31%	+30.28%
Shiva's Guard	95	79.17%	+30.05%
Octarine Core	91	78.26%	+29.38%
Blink Dagger	905	59.73%	+28.56%

	Pickups	Winrate	When picked
Kaya	165	39.02%	-9.97%
Maelstrom	113	42.86%	-7.19%
Desolator	90	47.83%	-1.88%
Orb of Corrosion	110	50.00%	+0.02%
Mekansm	94	50.00%	+0.22%
Kaya and Sange	104	50.00%	+0.58%
Witch Blade	61	53.33%	+3.33%
Sange	198	52.00%	+3.52%
Mjollnir	44	54.55%	+4.68%
Hurricane Pike	142	55.56%	+6.60%

For heroes

	Pickups	Winrate	When picked
Aghanim's Scepter	17	100.0%	+100.0%
Hand of Midas	17	100.0%	+100.0%
Blink Dagger	30	87.5%	+87.5%
Phase Boots	28	85.7%	+85.7%
Kaya	23	83.3%	+83.3%
Hurricane Pike	22	83.3%	+83.3%
Force Staff	22	83.3%	+83.3%
Black King Bar	17	100.0%	+83.3%
Yasha	40	80.0%	+80.0%
Nullifier	5	100.0%	+80.0%

	Pickups	Winrate	When picked
Aghanim's Shard	24	33.3%	-66.7%
Witch Blade	27	42.9%	-57.1%
Kaya	25	50.0%	-50.0%
Aghanim's Scepter	32	50.0%	-50.0%
Blink Dagger	27	57.1%	-42.9%
Mekansm	19	60.0%	-40.0%
Black King Bar	30	62.5%	-37.5%
Tranquil Boots	12	33.3%	-36.7%
Tranquil Boots	45	63.6%	-36.4%
Sange	11	66.7%	-33.3%

Most notable timings records

		Pickups	Winrate	Gradient (%/min)	Median	Games with the best timings
Shadow Fiend	Mask of Madness	37	54.05%	-40.16%	10:56	6809875296 - EG ⚔ RNG - Series 1 - Game 2 - (08:19)
Lifestealer	Phase Boots	28	60.71%	-37.26%	05:48	6810942576 - OG ⚔ RNG - Series 1 - Game 2 - (04:27)
Terrorblade	Yasha	22	40.91%	-34.09%	14:21	6808416013 - Fnatic ⚔ Entity - Series 1 - Game 2 - (11:29)
Slark	Aghanim's Scepter	17	64.71%	-31.69%	21:41	6806638898 - RNG ⚔ BOOM - Series 1 - Game 1 - (18:57)
Visage	Vladmir's Offering	34	50.00%	-29.28%	11:52	6832140410 - Secret ⚔ Tundra - Series 3 - Game 2 - (07:47)
Sven	Aghanim's Shard	19	63.16%	-28.57%	16:57	6808028757 - Aster ⚔ Entity - Series 1 - Game 2 - (15:04)
Doom	Hand of Midas	17	58.82%	-27.27%	10:07	6809483969 - Secret ⚔ TSpirit - Series 1 - Game 1 - (07:06)
Earthshaker	Arcane Boots	15	33.33%	-27.03%	10:04	6809585544 - PSG.LGD ⚔ BOOM - Series 1 - Game 1 - (07:20)
Faceless Void	Maelstrom	20	45.00%	-26.37%	16:10	6806464370 - Aster ⚔ TLN - Series 1 - Game 1 - (13:08)
Invoker	Hand of Midas	19	42.11%	-22.43%	08:51	6806101302 - OG ⚔ BOOM - Series 1 - Game 2 - (06:48)