A guide to the 40 sky crystals you need to locate for the Sky Crystal Seeker Achievement in Festival of Four Winds.

A guide to the 40 sky crystals you need to locate for the Sky Crystal Seeker Achievement in Festival of Four Winds.
GW2 Lessons from the Sky achievement guide with a list of locations of the Sky Crystals needed to complete this Bazaar of the Four Winds achievement.
NOTE: This guide is outdated for Festival of Four Winds as some of the sky crystal locations have being moved. Use this one instead.