Ichigo is agitated by Aizen's words.
Furthermore, Aizen says he aided in Ichigo's growth because he believed Ichigo would become the greatest raw material for his own personal quest.
That the hollow appeared immediately after his meeting with Rukia; that the menos appeared because of the Quincy bait;
That Rukia was discovered in the real world, and that the circumstances were well reported in SS;
That in SS the captain class shinigami Ichigo fought all had strength comparable to his Ichigo's at the time.
"Didn't you think those were all strange? " Ichigo swings his sword at Aizen but Aizen stops it with his palm.
Aizen continues speaking. He asks Ichigo, "How could I know all the facts?
Who do you think had Rukia stationed in the real world?
Who gave Renji's equipment the ability to detect reiatsu?
Who provided the Vice Captains with the information regarding the direction of your moments?
Was I truly unable to pinpoint the location of the hougyoku for the past 100 years?"
After he finishes Ichigo asks Aizen for the basis of his conviction that Ichigo would become his greatest raw material.
Aizen responds, "It's because I knew you from the beginning, from the time you were born.
In addition you were special from the moment of your birth. Because you are a shingami and..."
Aizen stops mid sentence as Isshin has arrived. Until next week.