Defense Mechanism of Alto Mare

The Defense Mechanism of Alto Mare—often abbreviated to DMA—is a machine that was featured in Pokémon Heroes. It is situated in the Alto Mare museum. It was built many centuries before the events of the movie, to protect the city from danger; however, the Soul Dew and Latios or Latias are required to activate it.

The DMA while not being operated

Oakley attempted to use the DMA to take control of Alto Mare and, ultimately, the world. When Oakley used the machine, however, she was enraptured with all of her power and overused it. This temporary insanity is implied to be a side-effect of the DMA, which is why it was sealed off to begin with and was considered not to be used.

While using the machine to attack Ash and Latias, however, the latter used Safeguard, causing the DMA to malfunction and trapping Annie and Oakley in the control area. During the credits of the movie, police could be seen arresting them. Although Oakley's plans were thwarted, the Soul Dew was ultimately destroyed.

Functions

The DMA in operation

Using sophisticated motion sensors in the DMA's control area, one can use hand signals to perform a variety of functions. It can create a lockdown by making metal barriers appear throughout the city and can even control water itself; bending it into the shape of the controller's hand motions. In addition, the DMA can also revive the fossils of Aerodactyl and Kabutops within the museum.

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