Not just in <<REBIRTH>>, but in every single game, in order to determine whether something was good or bad, apart from just looking at the item's attributes and uses, the most important thing was the background description of the item.
Clearly, the system wasn't that cheap this time around. After all, Wang Yu had gone through very lengthy means in order to complete the quest this time, even going so far as to destroy an entire main city. It would be too shameless if the system still gave Wang Yu a trashy ability.
Even though there was no detailed description regarding the destructive capabilities of the [Descending Dragon Palm], it wasn't difficult to infer from the background description that this was a peerless ability.