Best items for % Life Steal

Every shop item that gives % Life Steal, ranked by points per 100 materials of base price. In Brotato 1.1.15.4 the top 3 are Whetstone (10), Bat (10), Bloody Hand (9.1); 12 ranked in all.

#	Name	% Life Steal per 100 materials	% Life Steal	Price	Tier	Also
1	Whetstone	10	4	40	Tier II	—
2	Bat	10	2	20	Tier I	-2 Harvesting
3	Bloody Hand	9.1	10	110	Tier IV	—
4	Mouse	9.1	5	55	Tier III	-5 Harvesting
5	Fresh Meat	8	2	25	Tier I	-1 HP Regeneration
6	Butterfly	6.7	2	30	Tier I	-1 Elemental Damage
7	Fin	4.6	3	65	Tier III	+10 % Speed, -8 Luck
8	Cape	4.5	5	110	Tier IV	+20 % Dodge, -2 Melee Damage, -2 Ranged Damage, -2 Elemental Damage
9	Blood Leech	4.4	2	45	Tier II	+2 HP Regeneration, -3 Harvesting
10	Ritual	3.3	2	60	Tier II	+6 % Damage, -2 Engineering
11	Octopus	2.9	3	105	Tier IV	+12 Max HP, +5 HP Regeneration, -8 % Crit Chance
12	Potato	1.1	1	95	Tier IV	+3 Max HP, +2 HP Regeneration, +5 % Damage, +5 % Attack Speed, +3 % Speed, +3 % Dodge, +1 Armor, +5 Luck

Formula and assumptions

Value = % Life Steal the item gives ÷ its base price × 100.

Only plain stat changes count (not conditional or per-wave effects).
Base price; the shop price grows with the wave for every item alike.

Other rankings