Resounding no

The Absolute Unity Defense, even if it was the lesser one obtained by each Rebornian, was enough defense to survive against at least a tonne of rubble collapsing towards them.

Since the weight of such force was only equal to a 1-star spell [Boulder Throw], as long as the Rebornians were 2-star or higher, then they wouldn't need to worry about such a disaster befalling onto them. Basically, anyone who had been a Rebornian for longer than a month was safe from any natural catastrophe, be it drowning, being engulfed in flames, or being dropped from a tall height.

Michael thought it was a pretty good natural defense for his citizens before he found a superior one. He even thought it was just adequate. But judging from the looks every Queens region local was giving him, there was something wrong with his thinking.

"Is that bad?" he asked them.