sentences:  Further enlargements were carried out in order to entertain the Emperor Charles V in 1529, when he stayed four nights at the palace during his journey in state to Bologna for his coronation by Pope Clement VII.Architecturally this was an exciting period, but Honoré I was unable to remodel the fortress in the grand style of a Renaissance palazzo.In spite of the Spanish protection, the risk of attack from France was high and defence remained Honoré's main priority.