These areas which you will have to venture into all have different climates.
Well, to learn the recipe there is actually no level requirement, so you can access the Obsidian tier basically as soon as you learn it. Food for healing, preferably steak and above.At least tier 2 in Vitality attribute known as 'Impervious'.In saying this, some levels would help you in your quest to Obsidian. To start out you will need determination and time in order to get the Star Metal feat to learn from the tablet (unlocked at level 55). Do you want to get/find Obsidian? Then you have come to the right place!