Trial of the Bastion

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Trial of the Bastion is an Event in Version 7.0.

Event Details

Duration

• 2026/09/07 10:00 – 2026/09/17 03:59

Requirements

• Adventure Rank 20 or above
• Complete Archon Quest Prologue: Act III "Song of the Dragon and Freedom"
• Complete the "Gunfire in the Silent Lands" quest of the Archon Quest Chapter VII: Act I "Everwinter Without Mercy."

Summary

• During the event, Travelers will need to build defensive lines before battle, then use firearms during the combat phase to fend off multiple waves of enemies and prevent them from breaching the stronghold.
• Defeat enemies to earn score. Once your challenge score reaches specified thresholds, you can claim the corresponding rewards.
• After the event starts, a new trial will unlock each day for the first 5 days (5 trials in total). Each new trial becomes available once the preceding one is completed.

Tutorial

In Trial of the Bastion, defend a stronghold against the enemy invasion through the use of defensive firepower. To do so, you must build various mechanisms to form a defensive line, then use firearms during the combat phase.

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In the preparation phase, you can build various kinds of mechanisms depending on the opponent's possible ingress routes.
Certain mechanisms can even turn to a more favorable direction.

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In the combat phase, use numerous firearms and tactical gear alongside various mechanisms to defeat your opponents and earn points.

Stages

I — Hold the Pass

Unlocks 2026-09-07 10:00

Opposing Lineup

• Wave 1:
  
  10 Volkodlak Sharpshooter
• Wave 2:
  
  1 Fanged Zealot
  11 Volkodlak Sharpshooter
• Wave 3:
  
  1 Fanged Zealot
  12 Volkodlak Sharpshooter

Mechanism Loadout

Name		Description
	Spike Mechanism	AoE Attack Dealing DMG to enemies above it within a certain AoE
	Suppression Device: Blaze	Elemental Effects Automatically attacks opponents entering detection range, dealing Pyro DMG
	Impact Shield	Control Knocks opponents entering its AoE in the direction of the arrow

Rewards

Objective	Rewards
Attain a challenge rating of at least	50 2
Attain a challenge rating of at least 2,000	30 2
Attain a challenge rating of at least 3,500	30,000 6

II — Triple Assault

Unlocks 2026-09-08 04:00

Opposing Lineup

• Wave 1:
  
  10 Juvenile Tree Segment
• Wave 2:
  • Direction 1:
    
    1 Rugged Elder Leshy
    6 Juvenile Tree Segment
  • Direction 2:
    
    3 Long-Eared Striker
    4 Juvenile Tree Segment
• Wave 3:
  • Direction 1:
    
    1 Rugged Elder Leshy
    7 Juvenile Tree Segment
  • Direction 2:
    
    1 Rugged Elder Leshy
    5 Long-Eared Striker
    4 Juvenile Tree Segment

Mechanism Loadout

Name		Description
	Spike Mechanism	AoE Attack Dealing DMG to enemies above it within a certain AoE
	Suppression Device: Wild Waves	Elemental Effects Automatically attacks opponents within detection range, dealing Hydro DMG
	Ice Mist Trap	Elemental Effects Releases an icy mist, dealing Cryo DMG to opponents within a certain AoE
	Impact Shield	Control Knocks opponents entering its AoE in the direction of the arrow

Rewards

Objective	Rewards
Attain a challenge rating of at least 1,500	50 2
Attain a challenge rating of at least 2,500	30 2
Attain a challenge rating of at least 4,000	30,000 6

III — Crossfire Attack

Unlocks 2026-09-09 04:00

Opposing Lineup

• Wave 1:
  • Direction 1:
    
    3 Long-Eared Striker
  • Direction 2:
    
    7 Volkodlak Sharpshooter
• Wave 2:
  • Direction 1:
    
    2 Long-Eared Striker
  • Direction 2:
    
    1 Glacial Warden
    1 Surprise Striker
    10 Volkodlak Sharpshooter
• Wave 3:
  • Direction 1:
    
    1 Glacial Warden
    1 Surprise Striker
    5 Long-Eared Striker
  • Direction 2:
    
    1 Glacial Warden
    10 Volkodlak Sharpshooter
  • Direction 3:
    
    1 Surprise Striker
    1 Long-Eared Striker

Mechanism Loadout

Name		Description
	Spike Mechanism	AoE Attack Dealing DMG to enemies above it within a certain AoE
	Suppression Device: Blaze	Elemental Effects Automatically attacks opponents entering detection range, dealing Pyro DMG
	Ice Mist Trap	Elemental Effects Releases an icy mist, dealing Cryo DMG to opponents within a certain AoE
	Impact Shield	Control Knocks opponents entering its AoE in the direction of the arrow
	Pulling Mechanism	Control Pulls in opponents across a certain AoE

Rewards

Objective	Rewards
Attain a challenge rating of at least 2,000	50 2
Attain a challenge rating of at least 3,000	30 2
Attain a challenge rating of at least 4,500	30,000 6

IV — Three-Dimensional Front

Unlocks 2026-09-10 04:00

Opposing Lineup

• Wave 1:
  • Direction 1:
    
    6 Juvenile Tree Segment
  • Direction 2:
    
    2 Winged Halberd-Knight
    4 Volkodlak Sharpshooter
• Wave 2:
  • Direction 1:
    
    8 Juvenile Tree Segment
  • Direction 2:
    
    1 Glacial Warden
    6 Volkodlak Sharpshooter
  • Direction 3:
    
    3 Winged Halberd-Knight
• Wave 3:
  • Direction 1:
    
    1 Rugged Elder Leshy
    11 Juvenile Tree Segment
  • Direction 2:
    
    1 Glacial Warden
    4 Winged Halberd-Knight
  • Direction 3:
    
    2 Surprise Striker
    2 Winged Halberd-Knight
    3 Long-Eared Striker

Mechanism Loadout

Name		Description
	Suppression Device: Faster Blaster	Can Target Flying Automatically attacks a single opponent that enters detection range
	Suppression Device: Blaze	Elemental Effects Automatically attacks opponents entering detection range, dealing Pyro DMG
	Impact Shield	Control Knocks opponents entering its AoE in the direction of the arrow
	Pulling Mechanism	Control Pulls in opponents across a certain AoE
	Explosive Barrel Device	Burst Damage Releases an explosive barrel at set intervals. When hit, the barrel will explode, dealing Pyro DMG to opponents within a certain AoE

Rewards

Objective	Rewards
Attain a challenge rating of at least 2,000	50 4
Attain a challenge rating of at least 3,500	30 2
Attain a challenge rating of at least 5,500	30,000 6

V — ???

Unlocks 2026-09-11 04:00

(to be added.)

Battle Pass Missions

This event added additional "This BP Period" Battle Pass missions to the Frostfarer Battle Pass. The Battle Pass EXP (BP EXP) obtained from these missions do not count towards the weekly experience limit of 10,000 BP EXP.

Missions	BP EXP
[Event] Reach a rating of 4500 in "Multi-Pronged Fortifications" during "Trial of the Bastion"	1,500

Total Rewards

420 Primogem

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