There is a simple way to poe currency prevent this. You can turn auto-leveling off by clicking the gem and toggling Auto-level to Manual. If an item holds more than one gem, setting one to Manual doesn't impact others.
Skills that are active utilize Mana, and they can be utilized whether they're socketed in armor or weapons. Skills can be mapped to the diamond buttons on a console control by clicking the ideal rod when you're not on your inventory.
Skill use in Path of Exile isn't very different from other RPGs once you get a deal on gaining skills by socketing gems. Locate a gift set you enjoy, be sure to have enough Mana, and lay waste to hordes of monsters. Things don't get really interesting until you take support gems into account.
Support gems level up and so are color coded with level and characteristic requirements like skill gems. The distinction is that service gems don't damage enemies they change how ability gems damage enemies. Those changes can be enormous and therefore are frequently the difference between victory and death.
A support gem will operate on a skill gem if the pair are in sockets that are related buy poe exalted orbs. It doesn't matter which gem is where socket. Gem color doesn't matter. A skill gem of any colour cans impact.