I get the picture, MCC - this is taking too long! Dare I ask, how long is
no, never mind. I'll take your word for it.
I'm actually chuffed that you battle away single-handedly at my riddles you know. The fact that I happily potter away at yours interminably is irrelevant. I have to be pragmatic - I cant afford to lose you, so I must give a little bit.
The 22/23 letter anagram, which is a clue to the 10 letter/2 word answer, is a 6/7 word phrase, 2/3 of which are a and of.
Killer anagram wrote:22/23 [6/7 (2/3 = a and of)] => 10[2 (<> it)]
Is this enough of a tidbit to keep you going?