(Updated) The First Descendant Update 1.3.25

# PDT 2026.04.20(Mon) 03:30 – (6) HQ Special Orders" has been added under Update 1.3.25 > Miscellaneous.

# PDT 2026.04.17(Fri) 05:10 – Updated details in the Content Improvements > (5) Monsters section.

Greetings, Descendants!

Here are the details of The First Descendant Update 1.3.25.

■ Platforms

- Steam, Xbox, PS5

■ Update 1.3.25

"Onslaught Mode (Beta)"

- Content Introduction

ㄴ "Onslaught Mode" is a cooperation-based wave defense mode where you hold back advancing monsters.

ㄴ Use currency acquired during combat to place Turrets and Barricades, and enhance your battle capabilities by selecting abilities.

ㄴ Players move through 3 Combat Areas in sequence, breaking through each Wave with the goal of defeating the Colossi.

ㄴ Dimensional Energy decreases when monsters reach the target Zone, and the Mission ends immediately if Dimensional Energy is fully depleted.

ㄴ Tactical placement and decision-making determine the flow of battle.

- How It Works

ㄴ "Onslaught Mode" consists of 3 Stages in total.

ㄴ Each Stage progresses in a Wave format.

ㆍ Stage 1: 7 Waves

ㆍ Stage 2: 10 Waves

ㆍ Stage 3: 10 Waves

ㄴ After completing each Stage, you move to the next Combat Area.

ㄴ The Colossus appears in the final Stage.

- Battle Elements

ㄴ Monster Waves

ㆍ Monsters with different roles in battle appear.

ㆍ Monster threat levels increase as the Waves progress.

ㄴ Appearing Monsters

ㆍ New Tyrants "Spike Spiders," "Void Gunners," and "Resonance Wings" appear.

ㆍ Monsters with the new Champion Special Effect "Multi-Phase Shield Drone" appear.

ㆍ Commander monster skills are added based on the current Stage.

ㄴ Combat Area Movement

ㆍ After completing a specific Stage, you move to the next Combat Area.

ㄴ Defensive Structures and Resource Utilization

ㆍ Acquire currency by eliminating monsters and progressing through Waves.

ㆍ Use the acquired currency to place Turrets and Barricades.

ㄴ Defensive Structure Types

ㆍ Sentry Turret: A basic defensive turret that automatically attacks monsters.

ㆍ Disruption Wave Generator: A Support-type turret that decreases monster Movement Speed.

ㆍ Barricade: A defensive structure that draws monster attacks by inflicting Taunt.

- How to Enter

ㄴ You can enter via the Albion "Tactical Transport Control" or the World Map content menu.

ㄴ Stage 1 of "Onslaught Mode" is unlocked after reaching Mastery Rank 18.

ㆍ Stage 2: Unlocked after completing Stage 1 once.

ㆍ Stage 3: Unlocked after completing Stage 2 once.

- Rewards

ㄴ After completing the final Wave of each Stage in "Onslaught Mode," you have a chance to acquire Ancestors Module Loot at the following rates.

ㆍ Upon completing Wave 10 of each Stage: Stage 1: 17.5%, Stage 2: 30%, Stage 3: 32.5% drop chance.

ㄴ "Onslaught Mode" will be added to the Descendant Mission Board - Weekly Content.

ㆍ After completing the final Wave of each Stage in "Onslaught Mode," you will acquire 1 Ancestors Module Loot III as Today's Bonus, with a max of 4 acquirable per week.

ㄴ As opportunities to obtain Ancestors Modules expand, we are preparing to increase the maximum number of Ancestors Modules that can be held in inventory.

ㆍ Such preparations are currently under technical review, with the goal of implementing the Ancestors Module inventory expansion in Patch 1.3.26.

Equipment & Modules

(1) Trigger Modules

- 2 new Trigger Modules have been added.