Talk:Socket Gems/@comment-8.2.11.144-20190118140301/@comment-37957365-20190118140853

There aren't any bonus spell slot gems (and I really have no idea if there's a plan to impliment gems like that or not). But there are set items which guarantee bonus spell slots for that particular class. (Cleric, Sorcerer, Druid, Wizard and Paladin sets all get bonus spell slots).