As soon as the words left his mouth, Ichigo suddenly wished he could swallow them back. Ezio said he trusted him with his silence on the matter, and when he sees Altair's reaction, he wished he could just rewind time and stop himself from saying anything at all.

And it's so very apparent he's angry, just from the way his voice is pitched. Goddamnit! Sometimes he was such a fucking idiot!

"...he only told me he was. That's all."

Because it was the truth-Ezio had merely revealed he was an assassin.