Bloody...! That came on quite quickly, but Hook honestly couldn't say he was surprised. It was like the hospital was caving in on itself, like someone had picked it up and shook it in a glass globe to watch the snow fall. Or in this case, the rocks and debris that was now raining. Not much to be done about it, unfortunately, besides endure it or run, as it wasn't exactly the type of thing anyone could shoot or slice at. But he grabbed for the first something solid and quasi-protective he could find, likely from one of the old hospital beds, and attempted to use it as a shield, as if he could cloak both he and the twins - but he tried, at any rate.
"Rosa, darling, you might need to hurry," he warned; already he could feel the sting of cuts and bruises from the projectiles launched at him, a wince as something particularly sharp caught him in the side.