One common theme is loyalty. Pieck is often depicted as being loyal to her comrades and her cause. Another theme is sacrifice, as she is in a situation where she may have to give up a lot for the greater good.
Well, 'The Tale of Pieck' is a really interesting 'attack on titan pieck fanfic'. It delves deep into her character, showing her relationships with other characters in a more detailed way. For example, it shows her interactions with Porco and how they support each other. There's also 'Pieck's Secret Mission' where she embarks on a covert operation that is full of twists and turns.
The third form of the Titan Clock King was the Demon King Titan. In the third form, the Titan Clock King had become bigger and more powerful. In this form, the Titan Clock King could fight with other Titans and display more exciting skills and abilities in battle. The details and plot of the third form could be found in the relevant Short videos.
Well, he might first struggle with the new physicality. Titans are much larger and more powerful than demigods. He'd have to get used to the increased strength and different abilities. Maybe he starts by testing out his new powers in a secluded area, like a hidden forest or an abandoned island. He'd also need to deal with the mental aspect. Titans have a different mindset, often more focused on power and dominance. Percy, being a good - hearted demigod, would have to find a balance so he doesn't become too power - hungry.
One interesting plot could be that in his Titan form, Eren has a special connection with Mikasa. Maybe he can communicate with her telepathically only when in Titan form. This could lead to them working together more closely in battles, with Mikasa being able to anticipate Eren's moves better. For example, during a fight against a horde of Titans, Eren's Titan form sends a mental signal to Mikasa about a weak point he's discovered on a huge Titan. Mikasa then uses this information to take it down swiftly.
Manga hentai involving Pieck often focuses on sexual and graphic themes that are not suitable for general audiences. It's not something to be engaged with casually.
I'm not sure which specific 'Pieck Finger fanfic' is the best. You can try looking on some popular fanfiction websites like Archive of Our Own. There might be a variety of stories there.
Often, there might be themes related to her abilities and how she uses them in different situations. For example, in battle or when facing challenges. Another theme could be her backstory and how it shapes her personality and actions in the fan - created stories.