What is the upgrade formula of the armored warrior's star-day shura?

Formula for upgrading farmland: future generations will make it, ancestors will arrive, seek long and short, and win every battle.

"The Star of the Armored Warrior" The armored warrior came to the base of the robot this time. These defected robots threaten the peace of human society, so the task of armored soldiers now is to destroy them. The game has 4 levels, and the game is automatically saved. After all customs clearance, you can play any level. There are also a variety of props for players to choose from during the game ... The game screen is quite exquisite and the attack time is very gorgeous.