Shiyu Defense/Critical Node/2026-03-20

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The 2026-03-20 Critical Node is a Critical Node in Shiyu Defense, added in Version 2.6.

1st - 4th Frontiers

Frontier Info

• Agent Ether DMG increases by 20%.
• After inflicting Attribute Anomaly on an enemy, the Agent restores 20 Energy and all squad members' ATK increases by 35% for 15s. Repeated triggers reset the duration. Energy boost CD: 20s.

Objectives

• - More than 300s remaining
• - More than 180s remaining
• - Defeat all enemies

First Frontier

Stage Details
Enemy Levels: 50
Recommended Attributes
First Half	Second Half
Enemies
First Half
Wave 1	Wave 2
Hollow Thug - Raider Raider Hollow Thug - Raider Raider Hollow Thug - Raider Raider	Hollow Thug - Bulky Intimidator Bulky Intimidator
Wave 3	Wave 4
Hollow Thug - Raider Raider Hollow Thug - Raider Raider Hollow Thug - Poacher Poacher Hollow Thug - Poacher Poacher	Hollow Thug - Bulky Enforcer Bulky Enforcer
Second Half
Wave 1	Wave 2
Beholder Engine Beholder Engine Beholder Engine Beholder Engine Beholder Engine Beholder Engine	Tarasque Mixer Tarasque Mixer
Wave 3	Wave 4
Beholder Engine Beholder Engine Beholder Engine Beholder Engine Beholder Engine Beholder Engine Beholder Engine Beholder Engine	Tarasque Mixer Tarasque Mixer Beholder Engine Beholder Engine Beholder Engine Beholder Engine

Second Frontier

Stage Details
Enemy Levels: 55
Recommended Attributes
First Half	Second Half
Enemies
First Half
Wave 1	Wave 2
Strike Jaeger Strike Jaeger Strike Jaeger Strike Jaeger Strike Jaeger Strike Jaeger	Autonomous Support Unit - Heavy Striker Heavy Striker
Wave 3	Wave 4
Strike Jaeger Strike Jaeger Strike Jaeger Strike Jaeger Light Jaeger Light Jaeger Light Jaeger Light Jaeger	Autonomous Support Unit - Guardian Guardian
Second Half
Wave 1	Wave 2
Hoplitai Hoplitai Hoplitai Hoplitai Mandrake Mandrake Alpeca Alpeca Alpeca Alpeca	Hati Hati
Wave 3	Wave 4
Metro Goblin Metro Goblin Tyrfing Tyrfing Tyrfing Tyrfing Tyrfing Tyrfing	—

Third Frontier

Stage Details
Enemy Levels: 60
Recommended Attributes
First Half	Second Half
Enemies
First Half
Wave 1	Wave 2
Hollow Thug - Ambusher Ambusher Hollow Thug - Ambusher Ambusher Hollow Thug - Rustler Rustler Hollow Thug - Rustler Rustler	Ionized - Doppelganger - Pulchra Doppelganger - Pulchra
Wave 3	Wave 4
Ionized - Doppelganger - Bellum Doppelganger - Bellum Ionized - Doppelganger - Mors Doppelganger - Mors	—
Second Half
Wave 1	Wave 2
Fossor Fossor Fossor Fossor Sordidus Sordidus Sordidus Sordidus Sordidus Sordidus	Armored Hati Armored Hati
Wave 3	Wave 4
Goblin Goblin Thanatos Thanatos	—

Fourth Frontier

Stage Details
Enemy Levels: 65
Recommended Attributes
First Half	Second Half
Enemies
First Half
Wave 1	Wave 2
Hollow Thug - Ambusher Ambusher Hollow Thug - Ambusher Ambusher Hollow Thug - Rustler Rustler Hollow Thug - Rustler Rustler	Troublemaker - Wanted Enforcer Wanted Enforcer
Wave 3	Wave 4
—	—
Second Half
Wave 1	Wave 2
Miasma Ravager - Avarus Miasma Ravager - Avarus	—
Wave 3	Wave 4
—	—

Fifth Frontier

Objectives

• - get an S-rating in all rooms and achieve a total score of 100,000
• - More than 300s remaining
• - More than 180s remaining
• - Defeat all enemies

Room 1

Room 1
Details: Agent ATK increases by 30%, CRIT DMG increases by 15%. Enemy Stun DMG Multiplier increases by 20%. In this stage, dealing DMG to enemies earns you DMG Score. Defeating a single normal/elite enemy will grant you an instance of Elimination Score. In this stage, scores earned at different times will receive additional multiplier bonuses. The earlier in the challenge, the higher the multiplier. The total score cap (including bonus) is 50,000.
Challenge Target: - Reach 25,000 points for the current room - Reach 16,000 points for the current room - Reach 8,000 points for the current room
Enemy Details
Enemy Level: 70 Enemy Weakness: Enemy Resistance:
Wave 1	Wave 2
Exalting Hymnist Exalting Hymnist Exalting Hymnist Exalting Hymnist Exalting Hymnist Exalting Hymnist	Ionized - Doppelganger - Bellum Doppelganger - Bellum Exalting Hymnist Exalting Hymnist Exalting Hymnist Exalting Hymnist
Wave 3	Wave 4
Miasmic - Doppelganger - Jane Miasmic - Jane	—

Room 2

Room 2
Details: Agent Ether DMG increases by 20%. After inflicting Attribute Anomaly on an enemy, the Agent restores 20 Energy and all squad members' ATK increases by 35% for 15s. Repeated triggers reset the duration. Energy boost CD: 20s. In this stage, dealing DMG to enemies earns you DMG Score. Defeating a single normal/elite enemy will grant you an instance of Elimination Score. In this stage, scores earned at different times will receive additional multiplier bonuses. The earlier in the challenge, the higher the multiplier. The total score cap (including bonus) is 50,000.
Challenge Target: - Reach 25,000 points for the current room - Reach 16,000 points for the current room - Reach 8,000 points for the current room
Enemy Details
Enemy Level: 70 Enemy Weakness: Enemy Resistance:
Wave 1	Wave 2
Ionized - Thanatos Ionized - Thanatos Corrupted Bandit - Wicked Wraith Wicked Wraith	Miasmic - Thracian Miasmic - Thracian
Wave 3	Wave 4
—	—

Room 3

Room 3
Details: Agent Ice DMG and Ether DMG increase by 15%. While Agents are in an Ether Veil, CRIT DMG increases by 40% and Sheer DMG increases by 20%. These buffs are removed when exiting Ether Veil. In this stage, dealing DMG to enemies earns you DMG Score. Defeating a single normal/elite enemy will grant you an instance of Elimination Score. In this stage, scores earned at different times will receive additional multiplier bonuses. The earlier in the challenge, the higher the multiplier. The total score cap (including bonus) is 50,000.
Challenge Target: - Reach 25,000 points for the current room - Reach 16,000 points for the current room - Reach 8,000 points for the current room
Enemy Details
Enemy Level: 70 Enemy Weakness: Enemy Resistance:
Wave 1	Wave 2
Corrupted Bandit - Ruthless Fiend Ruthless Fiend Corrupted Bandit - Vicious Striker Vicious Striker Corrupted Bandit - Vicious Striker Vicious Striker Corrupted Bandit - Greedy Ranger Greedy Ranger Corrupted Bandit - Greedy Ranger Greedy Ranger	Haytor Haytor
Wave 3	Wave 4
—	—

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