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Please note that the First Descendant Team has stopped covering the game as of October 2024. Information on certain pages may not be up-to-date.
Lethal Infection is a Descendant module in The First Descendant. Read on to learn how to get Lethal Infection, its effects, and more!
| Fortress (Hard) - Heart of the Fortress Mission Monster |
| Fortress (Hard) - Quarantine Zone Mission Monster |
| Fortress (Hard) - Ship Charging Facility Complete |
| Fortress (Normal) - Central Control Unit Mission Monster |
| Fortress (Normal) - Command Relay Mission Monster |
| Fortress (Normal) - Defense Line: Vulgus Strategic Outpost Mission Monster |
| Fortress (Normal) - Destroyed Base Mission Monster |
| Fortress (Normal) - Explosive Debris Mission Monster |
| Fortress (Normal) - Fortress Command Entrance Mission Monster |
| Fortress (Normal) - Frozen Shipyard Mission Monster |
| Fortress (Normal) - Gate System Control Network Mission Monster |
| Fortress (Normal) - Giant Hangar Mission Monster |
| Fortress (Normal) - Heart of the Fortress Mission Monster |
| Fortress (Normal) - High-thermal Source Detected Zone Mission Monster |
| Fortress (Normal) - Munitions Loading Dock Mission Monster |
| Fortress (Normal) - Outlying Communications Facility Mission Monster |
| Fortress (Normal) - Quarantine Zone Mission Monster |
| Fortress (Normal) - Ship Charging Facility Complete |
| Fortress (Normal) - Ship Charging Facility Mission Monster |
| Fortress (Normal) - Snowy Heights Mission Monster |
| Fortress (Normal) - Void Fusion Reactor - Fortress Fallen Ark Mission Monster |
| Fortress (Normal) - Void Fusion Reactor - Fortress Frozen Valley Mission Monster |
| Intercept Battle: (Hard) Obstructer |
| Vespers (Hard) - Sepulcher Mission Monster |
| Vespers (Hard) - The Shelter Mission Monster |
| Vespers (Hard) - Void Fragment Complete |
| Vespers (Normal) - Abandoned Village Mission Monster |
| Vespers (Normal) - Ancient Giant Tree Mission Monster |
| Vespers (Normal) - Captured Base Mission Monster |
| Vespers (Normal) - Collapsed Piers Mission Monster |
| Vespers (Normal) - Destroyed Temple Mission Monster |
| Vespers (Normal) - Floodplain Mission Monster |
| Vespers (Normal) - Frontline Base Mission Monster |
| Vespers (Normal) - Lakeside Mission Monster |
| Vespers (Normal) - Lost Supply Depot: Vulgus Strategic Outpost Mission Monster |
| Vespers (Normal) - Lumber Yard: Vulgus Strategic Outpost Mission Monster |
| Vespers (Normal) - Moonlight Lake: Vulgus Strategic Outpost Mission Monster |
| Vespers (Normal) - Mossy Colossus Mission Monster |
| Vespers (Normal) - Old Surveillance Station Mission Monster |
| Vespers (Normal) - Organic Recording Terminal Mission Monster |
| Vespers (Normal) - Ruins Courtyard Mission Monster |
| Vespers (Normal) - Ruins Underground Entrance Mission Monster |
| Vespers (Normal) - Sepulcher Mission Monster |
| Vespers (Normal) - Supply Depot Mission Monster |
| Vespers (Normal) - The Shelter Mission Monster |
| Vespers (Normal) - Timberfall Power Facility Mission Monster |
| Vespers (Normal) - Void Fragment Complete |
| Vespers (Normal) - Void Fusion Reactor - Vespers Moonlight Lake Mission Monster |
| Vespers (Normal) - Void Fusion Reactor - Vespers Ruins Mission Monster |
| Legend |
|---|
|
・Mission Monster - Any of the enemies encountered in the mission can drop the module. ・Complete - The module can be received after completing the mission. ・Amorphous Material Pattern: XXX Required - Choose the Amorphous Material Pattern after defeating the Colossi in an Intercept Battle. ・Descendant Required - Open the Encrypted Vault using the required descendant. ・Intercept Battle - Defeat the indicated Void Intercept Boss. |
| Lethal Infection Basic Info | |||
|---|---|---|---|
 Lethal Infection
|
Capacity | 6 | |
| Socket | Xantic | ||
| Class |  Descendant |
||
| Effects | |||
| When landing a Firearm Critical Hit on an enemy inflicted with a debuff, Skill Power Modifier +X% for Xs (up to X stacks). | |||
| Lvl | Effect | Capacity | Kuiper Shard | Gold |
|---|---|---|---|---|
| 0 | When landing a Firearm Critical Hit on an enemy inflicted with a debuff, Skill Power Modifier +1% for 5s (up to 10 stacks). | 6 | - | - |
| We are still collecting the enhanced effects of this module and others. Thank you for your patience. |
||||
| Descendant Modules | Weapon Modules |
Lethal Infection Module
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