Genshin Impact: Defection at the Beginning, I Built Gundam in the Solstice

[I accidentally deleted half of the outline without backing it up] After crossing Teyvat, he was actually captured and used as cannon fodder in the Winter Country, and was about to be sent to a desperate situation to die! On the line between life and death, Levi awakens [Tevat Black Technology System] and gets the power exoskeleton blueprint at the beginning! He defected on the spot, established a secret base deep in the vast snow-capped mountains, and ignited the fire of science and technology! When the Fool's Executives were still relying on the Evil Eye, his mecha army had already laid waste to the Demon Dragon's Lair; when the fleets of the Seven Kingdoms were still sailing away, his aerospace carrier "Teyvat" had locked the law of heaven above the clouds! Ningguang: "I am willing to spend all the jade pavilions in exchange for your network technology!" Lei Movie: "Your Gundam may be the real eternity." Ice Queen: "Levi, come back to me, the whole crowd of fools will obey your orders!" Facing the shock and longing of the entire world, Levi, standing on the bridge of the Star Destroyer, just smiled calmly: "My journey is across the stars and the sea. As for the laws of heaven... Have you heard this BGM "March of the Volunteers" from the home planet?"