11 February 2021, 4:00 am EST By "Genshin Impact's" minigame Theater Mechanicus lets you get addicted to tower defense events. Along with the Lantern Festival, the open-world role-playing game will again embark on an exciting journey for those who want to test something new about it. For today, let's discuss the best tower upgrades and their possible better options at the moment. Theater Mechanicus Best Tower Upgrades and Better Options For the Theater Mechanicus event, just head to the "Genshin Impact" armory page. From there, peruse everywhere so you can look over several towers, which are also called Veneficus Mechanicus. At the moment, there are only five towers that are available but don't worry as the remaining ones will be added in the next few days.