Theater Mechanicus is a recurring tower defense event in Genshin Impact. See a list of all Theater Mechanicus events in Genshin Impact and check out how to play Theater Mechanicus here!

Theater Mechanicus Events
Version 2.6	Version 2.0	Version 1.3

All Theater Mechanicus Events

Theater Mechanicus Event History

What is Theater Mechanicus

Tower Defense Event

Theater Mechanicus is a recurring tower defense event in Genshin Impact where you set up mechanici to prevent enemies from reaching the portal.

Completing a challenge in Theater Mechanicus will reward players with Primogems, Mora, and Level-Up Materials. In some cases, it will reward event currencies instead that can be used to redeem items in the event shop.

How to Play Theater Mechanicus

Theater Mechanicus Event Guide

Some gameplay aspects vary with each Theater Mechanicus run. We recommend checking out our specific Theater Mechanicus guides if you want to know the full gameplay details for each!

How to Place Towers in Theater Mechanicus

Mechanicus Tips
Mechanici Cost	Where to Build

Towers used during the event are called Mechanici. You have to spend a set amount of Mechanicus currency to purchase the Mechanici you place during event stages.

You can only place Mechanici in the floor slots of a challenge area. It's up to you to place them in the most efficient way possible! We'll have guides for that too, of course!

List of Mechanicus & Upgrades

How to Prevent Enemies from Escaping

There are two types of portals in Theater Mechanicus: the purple portal and the blue portal. The purple portal is where enemies spawn, while the blue portal is where enemies are trying to go.

Theater Mechanicus stages can have more than one of each type of portal, adding to the challenge. Again, you'll have to place your Mechanici efficiently enough to defeat enemies before they reach the blue portal.

How to Use Characters in Theater Mechanicus

Mechanici aren't the only tools you have, you can also use characters' Normal Attacks and Elemental Skills to help you out!

Although you won't be able to damage enemies with your attacks, you can still use your Elemental Skills and Attacks to apply Elements and trigger Elemental Reactions!

Best Characters to Use in Theater Mechanicus

For blocking/slowing/pushing enemies
Traveler (Geo)	Zhongli
Traveler (Anemo)	Sucrose
Jean	Kazuha
Keqing
For Easy Elemental Application
Ayaka	Kaeya
Ganyu	Diona
Mona	Barbara
Fischl	Lisa
Klee	Yanfei
Bennett	Kokomi

Helpful Theater Mechanicus Guides

Theater Mechanicus Features and Guides

Theater Mechanicus Guides
Mechanicus Mastery	Mechanicus Towers
Wondrous Sticks

Genshin Impact Related Guides

List of Events

Current Events

Event Guide	Date and Rewards
Exercise Surging Storm	12/18/2024 - 12/30/2024 + Weapon and Talent Up Materials
Adventurer's Trials: Metamorphosis	12/11/2024 - 12/23/2024 + Weapon and Talent Up Materials

Upcoming Events

Event Guide	Date and Rewards
Ley Line Overflow 5.2 Rerun	12/23/2024 - 12/30/2024
Springtime Charms	Sometime in 5.3 + Weapon and Talent Up Materials + New Xiangling Outfit
Repertoire of Myriad Melodies	Sometime in 5.3 TBD
Emblem of Steadfast Valor	Sometime in 5.3 + Weapon and Talent Up Materials
Shuyu's Baffling Beetle Battle Bowl	Sometime in 5.3 + Weapon and Talent Up Materials
On the Trail of Behemoths	Sometime in 5.3 + Talent Up Materials
Overflowing Abundance	Sometime in 5.3 Weapon and Talent Up Materials

Permanent/Recurring Events

Event Name	Event Period / Rewards
Daily Check-In	2021/03/01 - Permanently Available
Hangout Events	Permanently Available after Version 1.4 + Talent Materials + Specialty Dishes
Test Run Event	Permanently Available + Ascension Materials
Baptism of Song	Permanently Available + Free Barbara
Stellar Reunion Returnee Event	Permanently Available + Prototype Rancour

Past Events

List of Past Events