The First Descendant

Skill Extension Module

Beginner's Guide and Advanced Tips and Tricks
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Season 1 | New Update
★ New Characters: Hailey and Ultimate Freyna
☆ Season Guides: Battle Pass | Invasion Guide | ETA-0
☆ New Void Interception: Death Stalker
☆ New Weapon: Frost Watcher

Skill Extension is a Descendant module in The First Descendant. Read on to learn how to get Skill Extension, its effects, and more!

How to Get Skill Extension

Kingston - Abandoned Magister Lab Target Vulgus
Sterile Land (Normal) - Kuiper Mine Complete
White-night Gulch (Hard) - Bio-Lab Mission Monster
White-night Gulch (Hard) - Mystery's End Mission Monster
White-night Gulch (Hard) - Mystery's End Mission Monster
White-night Gulch (Hard) - Upper Hatchery Complete
White-night Gulch (Normal) - Altar Mission Monster
White-night Gulch (Normal) - Ancient Transmission Detection Facility Mission Monster
White-night Gulch (Normal) - Bio-Lab Mission Monster
White-night Gulch (Normal) - Border Line of Truth Mission Monster
White-night Gulch (Normal) - Cave Rally Point Mission Monster
White-night Gulch (Normal) - Decoy Operation Zone Mission Monster
White-night Gulch (Normal) - Deployment Area of the Order’s Forces Mission Monster
White-night Gulch (Normal) - Eye of Truth Mission Monster
White-night Gulch (Normal) - Forgotten Comms Device Mission Monster
White-night Gulch (Normal) - Fortress Control Facility Mission Monster
White-night Gulch (Normal) - Fortress Courtyard Mission Monster
White-night Gulch (Normal) - Fortress Outskirts Mission Monster
White-night Gulch (Normal) - Hatchery: Vulgus Strategic Outpost Mission Monster
White-night Gulch (Normal) - Lower Hatchery Mission Monster
White-night Gulch (Normal) - Mystery's End Mission Monster
White-night Gulch (Normal) - Order Supply Warehouse Mission Monster
White-night Gulch (Normal) - Order's Patrol Beat Mission Monster
White-night Gulch (Normal) - Order's Veil Mission Monster
White-night Gulch (Normal) - Order’s Occupied Facility Mission Monster
White-night Gulch (Normal) - Shipment Base: Vulgus Strategic Outpost Mission Monster
White-night Gulch (Normal) - The Mountaintops: Vulgus Strategic Outpost Mission Monster
White-night Gulch (Normal) - Triumphal Arch Mission Monster
White-night Gulch (Normal) - Upper Hatchery Complete
White-night Gulch (Normal) - Upper Hatchery Mission Monster
White-night Gulch (Normal) - Void Fusion Reactor - White-night Gulch Mountaintops Mission Monster
White-night Gulch (Normal) - Water-cooling Recording Device 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.

Skill Extension Basic Info & Effects

Skill Extension Basic Info
The First Descendant - Skill Extension.png Skill Extension Capacity 5
Socket Rutile
Class
The First Descendant - Descendant Icon.png Descendant
Effects
Skill Duration +X%, applies only to certain skills for each Descendant

Details Per Level

Lvl Effect Capacity Kuiper Shard Gold
0 Skill Duration +9%, applies only to certain skills for each Descendant 5 - -
1 Skill Duration +10.3%, applies only to certain skills for each Descendant 6 300 3000
2 Skill Duration +11.7%, applies only to certain skills for each Descendant 7 900 9000
3 Skill Duration +13.5%, applies only to certain skills for each Descendant 8 2000 20000
4 Skill Duration +15.7%, applies only to certain skills for each Descendant 9 4000 40000
5 Skill Duration +18.1%, applies only to certain skills for each Descendant 10 7400 74000
6 Skill Duration +21.1%, applies only to certain skills for each Descendant 11 13100 131000
7 Skill Duration +24.2%, applies only to certain skills for each Descendant 12 22600 226000
8 Skill Duration +27.7%, applies only to certain skills for each Descendant 13 38100 381000
9 Skill Duration +31.8%, applies only to certain skills for each Descendant 14 63100 631000
10 Skill Duration +36.5%, applies only to certain skills for each Descendant 15 103100 1031000

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