In Guild Wars 2, slot skills are the skills that players unlock using skill points. These abilities are useful skills that are activated using the 6 through 0 keys on the keyboard. [Guild Wars 2 skills list]
These slot skills come in a variety of sorts, from stun breakers, to stuns, to buffs, and more. There’s a slot skills for everybody, making it fun to customize characters.
There are three types of slot skills: healing, utility, and elite. The utility skills make up the majority of all slot skills and account for three out of five skill slots. Elite are the most powerful skills available to a class and they make up just one skills slot. Healing usually only has a few options and is extremely useful, it makes up just one skill slot as well.
And check out the "suggested by the author" links below for more!