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Item socket

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An example of a bow with three linked sockets; two of which are occupied by skill gems.

Sockets are a mechanism on equipment into which active and support skill gems with a matching colour can be placed. Individual sockets can be linked to each other which is required for support skill gems to provide benefits to any linked active skill gem.

Colours

Each socket has one of four colours:

Skill gems have to be placed into a socket with the corresponding colour with the exception of white gems and sockets, which can be placed into a socket of any colour or take a gem of any colour respectively.

The random choice of colour for sockets is weighted based upon the magnitude of the relevant attributes (strength, dexterity, intelligence) required to use the item. For example, a low strength requirement (low base-level) pure strength armour item has a higher probability of rolling off-color sockets than a high strength requirement (high base-level) pure strength armour.

White sockets can be obtained through corruption by using a Lua error: callParserFunction: function "#ask" was not found. at a 25% chance.[1]

The colour of sockets can be changed by Lua error: callParserFunction: function "#ask" was not found. reforging or by using the crafting bench provided by Vorici.

Number of sockets

The number of possible sockets on equipment is based on the item level as well as the type of the equipment being used.

The number of sockets can be changed by Lua error: callParserFunction: function "#ask" was not found. reforging or by using the crafting bench provided by Vorici.

Maximum number of sockets by equipment type

Some items have exceptions to these rules.

Item level

Number of sockets Minimum item level First vendor
1 1 Act 1
2 1 Act 1
3 2 Act 1
4 25 Act 3
5 35 Act 4
6 50 Act 6

The item level item is generally applicable, but note that there are a few cases where the restriction does not apply:

  • Hillok, upon death, always drops a specific weapon with three differently coloured sockets, wich is dependent on your class.
  • Lua error: callParserFunction: function "#ask" was not found. always has 6 linked white sockets.
  • Items from strongboxes with {{#ask:
Is mod::ChestItemSockets
Has name::+
|?Has name=
|?Has stat text
|format=template 
|template=SMW generic link
|userparam=intro=, outro=, template1=SMW query mod/format, color=mod
|link=none
|limit=1
|searchlabel=

}} affix

Links

Sockets can be linked to other sockets in the same item. In order to provide their benefits support skill gems have to be placed in sockets linked to other sockets containing active skill gems.

Multiple support skill gems of the same type can only be applied once to an active skill gem, however it is possible to apply a single support skill gem to multiple active skill gems at once. If multiple support gems of the same type are socketed in the same link, the highest level support is used.

For example, the two skills Lua error: callParserFunction: function "#ask" was not found. and Lua error: callParserFunction: function "#ask" was not found. may be linked with the support skill Lua error: callParserFunction: function "#ask" was not found. in a three linked item, or Lua error: callParserFunction: function "#ask" was not found. may be replaced by Lua error: callParserFunction: function "#ask" was not found. to enhance the Lua error: callParserFunction: function "#ask" was not found. even more. However linking two instances of Lua error: callParserFunction: function "#ask" was not found. will only provide the bonus of the highest level one.

The number of links can be reforged using an Lua error: callParserFunction: function "#ask" was not found. or with Vorici's crafting bench.

Order

Generally the order in which skill gems are linked only holds importance for trigger gems and for rounding the mana cost. The order for sockets used is:

1 2
4 3
5 6

If multiple trigger gems are socketed in several equipped items the order will be:

Main hand ⇒ Amulet ⇒ Helm ⇒ Off hand ⇒ Body armour ⇒ Gloves ⇒ Boots

Items with non-standard interactions

Base items

  • Lua error: callParserFunction: function "#ask" was not found. have 1 socket instead of none.
  • Lua error: callParserFunction: function "#ask" was not found. have 1 socket instead of none.
  • Lua error: callParserFunction: function "#ask" was not found. can only have up to 3 sockets, despite being a two-handed weapon.
  • Lua error: callParserFunction: function "#ask" was not found. can only have up to 4 sockets, despite being a two-handed weapon.

Unique items

  • Lua error: callParserFunction: function "#ask" was not found. always has 6 linked sockets. It is the only one-handed weapon that can have more than three sockets.
  • Lua error: callParserFunction: function "#ask" was not found. and Lua error: callParserFunction: function "#ask" was not found. do not have any sockets.
  • Lua error: callParserFunction: function "#ask" was not found. always has a white socket and grants stats based on the colour of the gem socketed into the item.
  • Lua error: callParserFunction: function "#ask" was not found. and Lua error: callParserFunction: function "#ask" was not found. grant stats based on the colour of the sockets in the item.
  • Lua error: callParserFunction: function "#ask" was not found. always has 6 white linked sockets.
  • Lua error: callParserFunction: function "#ask" was not found. and Lua error: callParserFunction: function "#ask" was not found. always come with six linked sockets that are randomly colored. These cannot be modified with Vorici's Artisan's Bench.
  • Lua error: callParserFunction: function "#ask" was not found. does not need to have the socketed gems match the socket colors, effectively functioning as white sockets.

Unique items from races

All Descent: Champions unique items have three white, linked sockets (except for Lua error: callParserFunction: function "#ask" was not found. and Lua error: callParserFunction: function "#ask" was not found.).

Related divination cards

There are divination cards that grant items with a high number of sockets and links.

  • Lua error: callParserFunction: function "#ask" was not found.
  • Lua error: callParserFunction: function "#ask" was not found.
  • Lua error: callParserFunction: function "#ask" was not found.
  • Lua error: callParserFunction: function "#ask" was not found.
  • Lua error: callParserFunction: function "#ask" was not found.
  • Lua error: callParserFunction: function "#ask" was not found.
  • Lua error: callParserFunction: function "#ask" was not found.
  • Lua error: callParserFunction: function "#ask" was not found.
  • Lua error: callParserFunction: function "#ask" was not found.

Related Prophecies

  • Lua error: callParserFunction: function "#ask" was not found. will cause the next Lua error: callParserFunction: function "#ask" was not found. used on an appropriate item to make that item become a fully-linked five-socket item.
  • Lua error: callParserFunction: function "#ask" was not found. will cause the next Lua error: callParserFunction: function "#ask" was not found. that resulted in an item having 6 sockets to also make those sockets fully linked.

Developer Information

Relevant information about the sockets can be found in the "Sockets" section of .ot files (based on which files the item in question inherits).

The format used for sockets is

   <number of sockets>:<item level requirement>:<spawn weighting>

The socket colours are commonly represented as:

Colour Letter Code Numerical ID
red R 1
green G 2
blue B 3
white W

References

  1. chris_wilson (July 16, 2015). "Chris Wilson on chances of corrupting White Sockets". Path of Exile Subreddit. Retrieved July 16, 2015.