As a hypothesis, sparks that can destroy reality but lack good risk management skills are the ones that destroy themselves early on - their first creation does them in, or the Baron or Othar or some other established power says "Nope. This one's got to go".
Concur that "I will smack all of you so hard!" is a thread title candidate.
Agatha in panel #4 is truly terrifying in her total lack of fear, if you take my meaning.