If you have an item with 4 sockets, that are linked like so:
1--2--3--4
does that mean that a support gem in 1 would be supporting all gems (so in sockets 2,3,4), or just the one in socket 2?
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Sign up to join this communityThe gems would support all other linked gems.
In your example that would result in gems 2, 3 and 4 being supported.
You can also put multiple support gems in an item to have the combined effects on a skill.
An example: gem 1 is a Lesser multiple projectile gem, gem 2 is an extra fire damage gem, gem 3 is a fireball gem and gem 4 is a spectral throw gem.(I'm not saying this is a good combo) This will result in: