Sands of Aura: Tips on how to actually get all those achievements (some of them are TOUGH)

Sands of Aura is a fairly vast game, with an equally barren amount of information for the player in the way of guides or community-collected data and information about mechanics and achievements. The purpose of this guide is to make that sea of endless sand just a little bit more manageable and navigable for those who find themselves stuck in progressing a quest or unsure what requirements must be met for completing an achievement, or just how the heck to get past that one boss.