Two Cities: I am building a mecha in Pi City

Li Lin traveled to Piltover in the Valoran continent. He originally thought that his life would be like this, but when he became a wage earner for the Gila Mann family, he discovered that he actually possessed the [Mechanic] system. .
In this war-torn magical world, Li Lin, who is well aware of the fate of Runeterra, is not satisfied with bicycles, mechanical watches, generators and other small inventions that have brought him fame and countless wealth.
In order to deal with the future crisis in Rune Land, he knew exactly what he had to do!
Starting from a simple exoskeleton power device, to an "Iron Man"-like fully automatic Source Project armor;
From mass-produced steam robots to the Battlefield and Tyrant series mechas that can cope with world crises;
By studying astral magic and rune magic, he even invented a Kingdom Mecha that combined magic and technology to dominate the world!
However, Li Lin, who had such power, said when facing many heroes at the conference that united various countries to form the League of Legends:
"I have only one wish from beginning to end, and that is world peace."
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[LOL Fans], [League of Legends Universe], [Battle of Two Cities Adaptation]