Tidal Defense Simulator

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Tidal Defense Simulator
Duration
Start	August 30, 2025 10:00 (Server Time)
End	October 8, 2025 11:59 (Server Time)
After Version 2.6 this event remains available permanently.
Link	Official Announcement
Type	In-Game
Group	Permanent

The agents of the Black Shores have long been the first to respond in times of crisis. To lower the risks they face in fighting the TDs, the Black Shores has developed specialized combat devices designed to counter the threat.
Valentina is now leading simulation tests of the devices, and she's counting on your assistance to push the tests forward.

Tidal Defense Simulator is an In-Game Event in Version 2.6.

Event Details

Duration

• 2025/08/30 10:00 - 2025/10/08 11:59 (server time)

Requirement

• Complete Main Quest Chapter II Prologue "Through the Sea Thou Break."

Details

• In this event, you will deploy Combat Machines to defend the Energy Matrix against simulated TD Outbreaks.
• The simulated Tacet Discords attack in waves. You will have time to strategically place various types of Combat Machines before each wave begins.
• Build your lineup wisely to counter different types of Tacet Discord.
• Progress through the stages to unlock the "Deathtrap Mode," where new Tactics provide powerful battle boosts.
• During the Limited-Time Rewards period, complete tasks to earn "TD Slayer" Coupons. Collect enough to unlock Phantom: Fallacy of No Return.

Limited Supply

Tasks

Simulation Targets

Tasks	Rewards
Obtain 6 Rating Stars.	100 60 6 30,000
Obtain 12 Rating Stars.	100 60 6 30,000
Obtain 21 Rating Stars.	100 60 5 30,000
Obtain 27 Rating Stars.	100 60 2 30,000
Obtain 33 Rating Stars.	100 60 3 30,000
Obtain 42 Rating Stars.	100 60 5 30,000

Defense Readiness

Tasks	Rewards
Unlock Combat Machine - Glitch Spawner.	50 40 3 6
Unlock Combat Machine - Freeze Jet.	50 60 2 4
Unlock Optional Modules of 5 Combat Machines.	50 40 3 6
Unlock Optional Modules of 10 Combat Machines.	50 60 2 4
Unlock Overwatch Protocol - Device Upgrade Plan II.	50 40 3 6
Unlock Overwatch Protocol - Weapon Upgrade Plan.	50 60 2 4

Over the Edge

Tasks	Rewards
Use the terrain to defeat 50 Tacet Discords in total.	50 40 8 30,000
Use the terrain to defeat 100 Tacet Discords in total.	50 60 8 30,000
Defeat more than 60 Tacet Discords continuously in a single stage.	50 40 50 50,000
Defeat more than 80 Tacet Discords continuously in a single stage.	50 60 50 50,000
Hold out until Wave 10 in "Total Defense Test."	50 40 50 50,000
Hold out until Wave 15 and then successfully finalize in "Total Defense Test."	50 1

"TD Slayer" Coupon Collection

Collect 1,000 "TD Slayer" Coupons to obtain Phantom Fallacy of No ReturnPhantom Fallacy of No Return Phantom: Fallacy of No Return ×1.

Field Supply

Tasks	Rewards
Obtain all Rating Stars in "Crumbling City" on Common difficulty.	30 4 30,000
Obtain all Rating Stars in "Sunken Ruins" on Common difficulty.	30 4 30,000
Obtain all Rating Stars in "Crumbling City" on Elite difficulty.	30 4 30,000
Obtain all Rating Stars in "Sunken Ruins" on Elite difficulty.	30 4 30,000
Obtain all Rating Stars in "Sunken Ruins" on Overlord difficulty.	30 4 30,000
Obtain all Rating Stars in "Synergy Drill."	TD Terminator1
Unlock 9 Combat Machines.	20 3 30,000
Unlock all Combat Machines.	30 2 50,000
Unlock 2 KU-Roro's Weapons.	20 3 30,000
Unlock all KU-Roro's Weapons.	30 2 50,000
Unlock 12 Overwatch Protocols.	20 3 30,000
Unlock all Overwatch Protocols.	30 2 50,000
Hold out until Wave 20 and activate any Gold Tactic from Saturation Fire Tactic Set in "Total Defense Test."	3 50,000
Hold out until Wave 20 and activate any Gold Tactic from Silver Bullet Tactic Set in "Total Defense Test."	3 50,000
Hold out until Wave 20 and activate any Gold Tactic from Echo Synergy Tactic Set in "Total Defense Test."	3 50,000
Hold out until Wave 20 and activate any Gold Tactic from Silent Lightning Tactic Set in "Total Defense Test."	3 50,000

Pioneer Podcast Quests

This event added additional "Seasonal Specials" Pioneer Podcast quests to the Pioneer Podcast 2025-08-28. The Podcast Experience (Podcast EXP) obtained from these quests is not counted in the weekly experience limit.

Quests	Podcast EXP
Clear "Sunken Ruins" of Elite difficulty in "Tidal Defense Simulator."	2,500

Total Rewards

1,200 Astrite

TD Terminator 1 TD Terminator

1 Catcher in the Tide

1 Phantom: Fallacy of No Return

10 Modifier

150 Premium Tuner

8 Forgery Premium Supply

980,000 Shell Credit

Event Items that expire at the end of the Event:

1,000 "TD Slayer" Coupon

Other Languages

Language	Official Name
English	Tidal Defense Simulator
Chinese (S)	潮蚀模拟
Chinese (T)	潮蝕模擬
Japanese	潮蝕シミュレーション
Korean	흑조의 침식 시뮬레이션
French	Simulateur de contre-marée
German	Gezeitenfäule-Simulation
Spanish	Simulador de defensa

Change History

Released in Version 2.6

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