Build an AA Umbrella is the first Defense Scenario challenge for the Mutual Security Enhancing Simulation event in Genshin Impact 4.7. See the best set-up, enemies, rewards, and other tips and tricks for this challenge here!

Defense Scenario Guides
Stage 1	Stage 2	Stage 3	Stage 4
Stage 5	Stage 6	Stage 7	Event

Scenario Strategy

Available Units and Leadership Skill

Leadership Skill

Available Units

Units	Type
Pyro Slime
Electro Cicin
Hydro Cicin
Cryo Hilichurl Shooter
Treasure Hoarders - Pyro Potioneer
Stronghold Mechanism: Pyro

General Strategy

Place Your Units Equally

For this challenge, there is not much variety in the enemies, so placing your units equally on the center and left flank will work as they can buy time for your turret units to wear them down.

You also have the added safety net of your Leadership Skill to be able to take down swathes of opponents to clear the way for your units to engage the next wave.

Make Sure Each Side has a Turret

The Stronghold Mechanism: Pyro turrets are able to deal substantial damage to your opponents, so make sure that each side has one in order to ensure that there is a steady stream of damage.

As for which side to prioritize, place down your first Pyro turret wherever their Blazing Axe Mitachurl spawns first, as it will take it down quicker, thus reducing the danger to your home base.

Counter Your Opponents

Most of the enemies in this level are Team units that spawn in waves, so your turrets and your Treasure Hoarder Pyro Potioneer will be your best counters against them, as they can take down groups of enemies with one strike.

Remember to always try to pit a unit against an opponent in a way that your unit either matches or counters your opponents type, as that will minimize casualties and depleted resources on your end.

Event Information

Stage Information

The playable stage consists of a circle where the player's base is, and is connected to two paths on the center and to the left of the base.

These paths are the Center path and the Left Flank path, and enemies will generally walk down these pathways towards your base.

List of Enemies

Wave 1 Enemies	Type
Electro Cicin
Electro Slime
Blazing Axe Mitachurl
Wave 2 Enemies	Type
Hydro Cicin
Blazing Axe Mitachurl
Eremite - Sunfrost
Wave 3 Enemies	Type
Electro Cicin
Hydro Cicin
Pyro Slime
Electro Slime
Blazing Axe Mitachurl
Eremite - Sunfrost

Stage 1 of Defense Scenario Event

Build an AA Umbrella is the first stage for the Defense Scenario mini-game in the Mutual Security Enhancing Simulation event, where you complete defense challenges by keeping your Home Base safe from enemy attackers!

Defense Scenarios Event Guide

Defense Scenario Stage 1 Rewards

Total Build an AA Umbrella Rewards

Objective	Rewards
Complete the Scenario	Primogem x50 Analysis Progress x80 Iron Talisman of the Forest Dew x5
Complete the Scenario with Defense level over 50%	Analysis Progress x50 Hero's Wit x5 Guide to Admonition x5
Complete the Scenario with Defense level over 75%	Analysis Progress x50 Mora x50,000 Agnidus Agate Fragment x2

Genshin Impact Related Guides

Mutual Security Enhancing Simulation

Security Enhancing Simulation Guides

Mutual Security Enhancing Simulation Guides
Assault Scenarios	Defense Scenarios

Assault Scenario Stage Guides

Assault Scenario Stage Guides
1 - Power Algorithm	2 - Outflank and Encircle
3 - Saturation Fire Theory	4 - Contested River Crossings
5 - Maneuver, Maneuver, and More Maneuver	6 - Tactical Reserves
7 - Crushing Pincer Maneuver

Defense Scenario Stage Guides

Defense Scenario Stage Guides
1 - Build an AA Umbrella	2 - Overwhelming Air Superiority
3 - Force Concentration	4 - Flexible Defensive Countermeasures
5 - Stronghold Firepower Response	6 - Effective AoE and Delaying Actions
7 - Minefield-Supported Combined Arms Operation

All Event Guides

List of Current & Upcoming Events