"I think a Lord of Change is still an incredibly deadly foe, even against a Primaris Psyker at the end of his career. A human Psyker is a glass cannon, something that you want to use against something like a Greater Daemon.
But you have to get them into position first and you have to make sure the Lord of Change doesn't get the on you. If a Lord of Change goes first in a fight with the aforementioned Rank 16 Psyker, who do you think would win? A Primaris Psyker may be able to kill a Lord of Change in one round, assuming they've gone for the right build and have chosen the correct powers, but a Lord of Change will win every time as long as he can get that first shot off.
You had this same issue in old pre-4th edition DnD. A Primaris Psyker is like an old school 20th level Wizard. He may steal everyone's thunder in combat, but all it takes is one solid hit and he's down."
That's simply not true with Ascended powers like Barrier and Flameshroud. Also Preternatural Awareness basically guarantees you go first with a 300ish bonus to Initiative. It's also a must-have power that any Psyker would be retarded to do without.
. The second requires the Talent "Rite of Pure Thought*". I do not have that. Nor do I
want
it,
period
. So if I want my character is to Ascend, I am faced with two crappy choices for my own class
, OR taking one of the general ones. And they aren“t that much better. Losing Intelligence? NO! Losing Toughness? Would drop my TB. Gaining Insanity Points? The whole point at this Ascension deal was to get RID of them, if possible. Well, that leaves being a Hero of the Inquisition as the only viable route. Now this was a bit depressing exercise...