Support stones and all skill stones which were placed in Path of exile currency the character's stock will continue to rise as more creatures are killed. Thanks to this it is likely to elevate their degrees without the need - all they need is to be available.

The number of their colour, sockets and connections can be changed using things, namely:

Jeweller's Orb - lets you re-draw the number of sockets within an item, increasing or reducing it. You won't have the ability to use that item In case the number of slots would be the maximum for a given item. Chromatic Orb - allows you to change all of the sockets in the item's colors. Orb of Fusing - allows you to re-draw connections involving sockets, adding new ones or removing them. Vaal Orb - a product which allows an item to be modified by you randomly and use the Corrupted parameter, providing a 25% chance that some of the slots will turn white.

It's worth remembering that it makes no sense to squander the above items on changing equipment that is low-level. A much better idea is simply to discover another, even worse in terms of parameters, thing that will have the sockets we need, and render the items to be altered for afterwards, to POE currency for sale alter in better equipment.