You could always "cheat" and skip straight to A20 (I assume there is a way to do so, at least). I find the difference between low ascension and A20 to be rather

You could always "cheat" and skip straight to A20 (I assume there is a way to do so, at least). I find the difference between low ascension and A20 to be rather large, so while it's true that optimal play at A20 will work at A2, I'm not sure I was capable of that when I was at A2.