Fast Casting, the Mesmer’s primary attribute, affects the way a Mesmer will cast their skills. As you might imagine it makes them cast faster. The increased casting speed only affects those skills, which are classified as spells. Fast Casting is a difficult attribute to see the immediate effects of due to the way casting times work – something complicated enough to leave to a more detailed article – and the fact that Fast Casting doesn’t scale as cleanly as other attributes but, in general, it’s worth about 3% faster cast spells. Fast Casting is helps a Mesmer to get a counter in. their spells will land first and take effect first letting them win a duel with another caster. The attribute is also linked to the sole skill of Mantra of Recovery, an elite and extremely useful skill.