One thing I see missing here is location, and let me tell you, location is very important to the opening of the gates and you should make sure to incorporate that into your studies. And to put it simply so that it is easy to digest and use: The sight of ancient battles, and more importantly the Aether flowing within such locations are critical to the success or fail of opening the chakra.Â
Alternatively you can simply use places that are soaked to the  brim in Aether, like Mor Dhona.
Edit: Another thing to consider, simply for the sake of rp dynamics, is the possibility of the task being much more difficult, or easier, based on the levels of the individuals own internal Aether. As stated through the Thamaturge question, without an adequate level of Aether one simply can't become one. Based on that, one could reason that the same could be applied here as well. Food for thought.
Alternatively you can simply use places that are soaked to the  brim in Aether, like Mor Dhona.
Edit: Another thing to consider, simply for the sake of rp dynamics, is the possibility of the task being much more difficult, or easier, based on the levels of the individuals own internal Aether. As stated through the Thamaturge question, without an adequate level of Aether one simply can't become one. Based on that, one could reason that the same could be applied here as well. Food for thought.