List of items that alter item rarity

Item Rarity is a modifier that affects the rarity of item drops. It can be divided into two categories; IIR (increased item rarity), and RIR (reduced item rarity).

Sources of IIR

Modifiers

	Imp.	Pre.	Suf.	Label	Effect								[?]	Restriction
3	✗	✗	✓	of Plunder	(6-10)% increased Rarity of Items found	✓	✓	✓	✓	✓	✗	✗	✗
30	✗	✗	✓	of Raiding	(11-14)% increased Rarity of Items found	✓	✓	✓	✓	✓	✗	✗	✗
53	✗	✗	✓	of Archaeology	(15-20)% increased Rarity of Items found	✓	✓	✗	✗	✓	✗	✗	✗
75	✗	✗	✓	of Excavation	(21-26)% increased Rarity of Items found	✓	✓	✗	✗	✓	✗	✗	✗
20	✗	✓	✗	Magpie's	(8-12)% increased Rarity of Items found	✓	✓	✓	✓	✓	✗	✗	✗
39	✗	✓	✗	Pirate's	(13-18)% increased Rarity of Items found	✓	✓	✓	✓	✓	✗	✗	✗
62	✗	✓	✗	Dragon's	(19-24)% increased Rarity of Items found	✓	✓	✗	✗	✓	✗	✗	✗
84	✗	✓	✗	Perandus'	(25-28)% increased Rarity of Items found	✓	✓	✗	✗	✓	✗	✗	✗
1	✗	✓	✗	Brinerot	Your Flasks grant 30% increased Rarity of Items found while using a Flask	✗	✗	✓	✗	✗	✗	✗	✗	Brinerot
1	✗	✗	✓	of Bounty	(25-40)% increased Rarity of Fish Caught	✗	✗	✗	✗	✗	✗	✓	✗
1	✓	✗	✗	FishingRarityCorrupted	(5-10)% increased Rarity of Fish Caught	✗	✗	✗	✗	✗	✗	✓	✗	Corruption
4	✗	✗	✓	of Treasures	(1000-2000)% increased Rarity of Contained Items	✗	✗	✗	✗	✗	✗	✗	✓
30	✗	✗	✓	of Raiding	(13-17)% increased Rarity of Items found	✓	✓	✗	✗	✗	✗	✗	✗	Elreon
1	✗	✗	✓	of Raiding	(4-6)% increased Rarity of Items found	✗	✗	✗	✗	✗	✓	✗	✗

Base items

The table below shows base items that increases rarity of items found and can drop in Path of Exile.

Unique items

The table below shows unique items that increases rarity of items found and can drop in Path of Exile. #invoke: Item table

Maps

The table below shows unique maps that increases rarity of items found and can drop in Path of Exile. #invoke: Item table

Sources of RIR

Unique items

The table below shows unique items that reduces rarity of items found and can drop in Path of Exile. #invoke: Item table