Mountain is a Tyranitar that Emerald caught after all of his years of traveling across region after region. Tyranitar is also responsible for giving Emerald a permanent scar that was left on his chest as well as his motivation to get stronger and stronger than before. His strength and power is definitely a force to be reckoned with. For instance, he is one of Emerald's Pokemon that are able to go toe-to-toe with a few Legendary Pokemon in their base form. He can also change landscapes to his own choosing without even having to use Earthquake.