Sky City - Day 25

Castle in the Sky - Day 25 is the twenty-fifth and final level of Castle in the Sky in the Chinese version of Plants vs. Zombies 2.

It is currently inaccessible, and it is unknown what is inside of it. However, it is implied to be the Dr. Zomboss battle for the world.

Trivia

 * For unknown reasons, it is inaccessible by players.
 * It shares this trait with Far Future - Day 30 (Chinese version).