The Corruption Blast was Incomplete!
Steven Universe spoilers for the latest episode.
But the corruption Blast was incomplete. White, Blue, and Yellow was only able to corrupt the gems and turn them into monsters. They were supposed to shatter all the gems.
That’s where pink’s power comes from. If she took part of the corruption blast, then the blast would have shattered all the gems.
Pink can crack and shatter gems with her powers.