Your goal is to read and study, it is not important to be able to do anything.
You should have some experience in Yoga, have obtained some stronger meditations and have developed at least one occult ability or whatever as described in many texts.
You have a wonderful foundation in postures/words of power; you have a personalized Art now and have found ways to move Karma.
Your understanding has approached a higher place but you have still not crossed the abyss/experienced daat/true initiation/etc.
You have a personalized Art and a full understanding of the nature behind why postures of power and sounds of power are such.
This understanding allows for 'on the fly' Arts that are not normally seen in lower-grades.
You also have full understanding of your own body, and the ability to influence it.
You have begun to apply your understanding of your own body to the world around you; having identified some situations where causality can be broken.
However in this time we are still moved foremost by our Karma.
The more a person uses these higher Arts the less tethered to Karma they will be; leading eventually to
It is not so much a grade as a final decision, a Magus may possess all of the abilities of an Ipsissimus but never decide whether they will sacrifice the entirety of everything to obtain Enlightenment or to go a different route and reject unification.
The general goal of the Ipsissimus is considered to create a universe; so I believe people who go the other way and subtract the entirety of themselves cannot really be quantified this way.
But I wanted to mention it anyway, because both places are almost identical to a person who hasn't reached either