Well, Cesare mumbles, peeling wrapper off gooey wet chocolate and stuffing it in his trap, Messer Da Vinci's proud design was more or less meant to be stationary and statuesque and a monument to the Sforza, and as such, didn't survive the Sforza by much, so perhaps you're right. When it fell, it fell with a bang. Da Vinci was heartbroken.
HE ALSO WANTS TO KNOW WHAT OBJECTION XEL MAY RAISE VIS-À-VIS SPAIN. He gives a fig on Castile, fine, but he's been brought up to believe he's part-Aragonese royalty. (The fanciful invention of elderly aunts, fine, but then he's still Catalan.)