Feasibly, every member of the cast has the potential of causing damage, though the amount sways drastically due to how it’s done.

Eden is by far the most destructive, even if she isn’t all ballooned out with her bimonthly growth surges, she still causes mild to major property damage on a near daily basis, from ripping out doorways to putting craters in walls. However, if she were all puffed up and got her now colossal ass stuck in the city, she would level buildings in seconds.

Kara has the potential of causing mass destruction, though not in the way you’d think. She only poses a threat when she’s ingested dairy and her breasts have swollen to fill New Primrose’s widened streets, and even in that scenario, the most damage caused would be flooding from her breast milk being spewed out everywhere.

Mei, in spite of being the largest Hyper in New Primrose, is incapable of causing any major damage, at unbeknownst to her. The city of New Primrose models every aspect of itself after her and there have been numerous renovations to accommodate her size, so the least that she’d be capable of is accidentally rubbing her wall of boobage against a building or bending a few walls due to her sheer mass.

Cassidy is by far the least destructive despite how easy it is for them to become a bloated mountain of lard in a matter of days. The worse they would cause would mainly be major property damage, and were they in the open city, street clogging and involuntarily trapping civilians within their seas of fat rolls.