You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own. Just type in 'Dragon Ball Z Rated M' in their search bars and you'll get a list of relevant stories. Some forums dedicated to Dragon Ball Z also have sections for fanfiction where you might find some Rated M ones.
One great 'Dragon Ball Z Rated M Fanfiction' is 'The Saiyan's Redemption'. It explores a darker side of Vegeta's character and his journey to make amends for his past actions. Another interesting one could be 'Goku's Forbidden Trial' which puts Goku in some really tough and morally challenging situations that are not often seen in the original series.
Super Power Z was a type of Z crystal, an item from the seventh generation of Pokemon. After Pokémon brought along superpower Z, it could use superpower Z moves. Superpower Z can be obtained in the Haena Desert. The specific location is along the right wall. The effect of superpower Z was to change Pokemon's attributes into superpower attributes, and it could also change superpower skills into superpower Z moves. The power of the skill depended on the original skill. The Supreme Mental Destruction Wave was one of the Z moves of the superpower attribute, and it could cause damage.
It could be a random character created for a pulp - fiction - style story. Maybe a detective's sidekick who got caught up in a dangerous case and unfortunately died.
Social media platforms can also be a good place. There could be fan groups where people share their own written 'aaron z fanfic' or link to where it can be found.
You could start by asking at your local library or bookstore if they know where to find A to Z Comics in Missouri. Sometimes they have information or can direct you to the right places. Also, don't forget to check social media groups or forums dedicated to comics in Missouri; fellow enthusiasts might have some tips.
You could start by checking out well-known comic aggregator sites such as Tapas or Smack Jeeves. Sometimes, individual comic publishers' websites also offer online access to their entire catalog. Just be sure to have a good search around!