There are a total of 42 main missions in Pokémon Legends: Z-A. This includes 37 main story missions that progress through the game's campaign up to the credits, followed by 5 additional post-game missions that become available after completing the main storyline. These missions cover various objectives including key battles, encounters with Rogue Mega Pokémon, and important story events that shape the game's narrative and gameplay. The post-game missions allow further exploration and challenges, continuing the adventure beyond the primary story arc.