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After the Version 2.5 update, the new Shiyu Defense Challenge will be launched and run until January 8th. You need to deploy at least three teams to take on this new challenge. Let’s take a look at how to tackle the latest iteration of the Shiyu Defense Challenge.
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▍ZZZ 2.5 Shiyu Defense Challenge Objectives
4th Frontier
S: More than 300s remaining
A: More than 180s remaining
B: Defeat all enemies
5th Frontier
· 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.
Ultimate

SS: Get an S-rating in all rooms and achieve a total score of 100,000
S: Get a S-rating in all rooms
A: Get an A-rating in all rooms
B: Get a B-rating in all rooms
Phase
S: Reach 25000 points within the time limit
A: Reach 16000 points within the time limit
B: Reach 8000 points within the time limit
▍ZZZ Shiyu Defense Challenge Rewards

Total Reward
Polychrome x780
Denny x305,000
W-Engine Chip x3
Hi-Fi Master Copy x5
Investigation Merits x1080
▍ZZZ 2.5 Shiyu Defense Current Buff
4th Frontier

Dawn's Guiding Light
Agent ATK increases by 30%, CRIT DMG increases by 15%.
Enemy Stun DMG Multiplier increases by 20%.
5th Frontier
Room 1

Dawn's Guiding Light
· Agent ATK increases by 30%, CRIT DMG increases by 15%.
· Enemy Stun DMG Multiplier increases by 20%.
Room 2

Piercing Thunder Strike
· Agent Electric DMG increases by 20%.
· Agent Basic Attack, Special Attack, and EX Special Attack deal 40% increased DMG and ignore 15% of enemy DEF.
Room 3

Accumulating Frost
· Agent Ice DMG increases by 20%, Basic Attack DMG increases by 40%.
· After an Agent uses an EX Special Attack, the Agent's Ice DMG additionally increases by 20% for 15s, repeated triggers reset the duration.
▍ZZZ 2.5 Shiyu Defence Enemies
4th Frontier
Team 1
Lumberjac + Miasmic Trooper – Shieldguar
Weakness: Fire Electric / Resistance: Ice

In combat, the Lumberjack constantly shifts its chainsaw's form to perform fluid combos, using its mounted wheels for swift movement. When enemies are out of reach, it fires saw blades to chase them down from a distance.
During combat, Miasmic Trooper - Shieldguard uses its shield to both significantly reduce DMG and Daze taken, and also counterattack.
This operation is expected to have 2 waves of enemy attacks
Team 2
Typhon Challenger + Lightfoot Rover + Miasmic Trooper - Cannoneer
Weakness: Fire Physical / Resistance: Ether

During combat, Typhon Challenger performs powerful combos and sometimes also leaps into the air to launch a clobbering blow.
During combat, Lightfoot Rover summons two drones to fight in tandem, which can be piloted nearby a target to launch a self-destruct attack.
In combat, the Miasmic Trooper - Cannoneer prefers to provide heavy firepower support from a distance. Additionally, some of its skills inflict potent Miasma Corruption.
This operation is expected to have 2 waves of enemy attacks
5th Frontier
Room 1
Flame Cantor+ Miasmic - Wicked Wraith+ Sacrifice - Covenant Guardian
Weakness: Fire Physical / Resistance: Electric Ice

In combat, the Flame Cantor's skills possess the Miasma Corruption ability, and will use sweeping skills to generate Miasma Pools on the ground.
Miasmic - Wicked Wraith attacks with a giant axe and shotgun. Its axe attacks can create Miasma Pools on the ground, and these attacks can inflict an Miasma Corruption effect on players.
In combat, Sacrifice - Covenant Guardian will use wings to launch follow-up attacks. When successfully performing a Defensive Assist against some of the Guardian's skills, you can interrupt its attacks.
This operation is expected to have 2 waves of enemy attacks
Room 2
Lightfoot Rover MK II + Heavy Striker MK II + Sacrifice - Heretic Jester
Weakness: Electric Physical / Resistance: Ether Fire

During combat, Lightfoot Rover MK II summons two drones to fight in tandem, which can be piloted nearby a target to launch a self-destruct attack.
During combat, Heavy Striker MK II deploys a shield. While shielded, it will only accumulate Electric Anomaly Buildup. Inflict Shock or Stun it to break the shield.
During combat, Sacrifice - Heretic Jester will rise into the air, unleashing Flying Blade Frenzy and activating a Miasmic Field. Using a Defensive Assist at the right moment during the skill can interrupt the Flying Blade Frenzy. Successfully interrupting it will cause the enemy to fall and enter a Weakened state for a period of time.
This operation is expected to have 2 waves of enemy attacks
Room 3
Alpeca + Dullahan + Huskron + Miasmic Komano Manato
Weakness: Ice / Resistance: Physical

During combat, Alpeca will perform scattered ranged attacks.
During combat, Dullahan uses its longsword to charge up and perform a high-level stab, which can be interrupted by your high-level attack.
In combat, Huskron moves cautiously and actively takes a defensive stance when facing player attacks, launching powerful counterattacks. If you successfully perform Defensive Assists against these counterattacks, it will become stunned.
In combat, Miasmic Doppelganger - Komano Manato will unleash fierce attacks against the player. Players must give it their all to parry his skills. When successfully performing a Defensive Assist against some of his skills, you can interrupt his attacks. If you manage to Defensive Assist his powerful skills, you can force him into a Weakened state. After taking a certain amount of DMG in battle, he will activate Miasmic Field and unleash powerful attacks.
This operation is expected to have 3 waves of enemy attacks
▍ZZZ 2.5 Shiyu Defense Team Comps
4th Frontier
The buffs for the first four floors in this event are universal attack buffs. Therefore, you only need to form teams based on the enemies’ weaknesses. If you do not have a team that can target those weaknesses, teams built around Miyabi and Yixuan with decent leveling can also be deployed.
Team 1

Soldier 0-Anby+Seed+Trigger

Lucia+Yixuan+Ju Fufu
Team 2

Astra Yao+Lighter+Evelyn

Zhao+Ye Shunguang+Dialyn
5th Frontier
The fifth stage is the most challenging part of this event, which requires three distinct teams.
Room 1
The buff for the first stage is a universal attack buff, so you only need to form your team based on the enemies’weaknesses.
Recommended teams include:

Astra Yao+Lighter+Evelyn

Zhao+Ye Shunguang+Dialyn

Lucia+Yixuan+Ju Fufu
Room 2
As for the second room, its buff boosts Electro damage, along with additional damage bonuses to Basic Attack, Special Attack, and EX Special Attack. Thus, it’s recommended to deploy Electro DPS agents for this stage, or use a well-leveled Disorder Team as an alternative.

Soldier 0-Anby+Seed+Trigger

Yuzuha+Miyabi+Yanagi

Zhao+Ye Shunguang+Dialyn
Room 3
The buff for the third room enhances Ice damage and also boosts Basic Attack damage, which pairs perfectly with the team composed of Miyabi, Ellen and Yidhari. Coinciding with Ellen’s second enhancement in Version 2.5, it’s highly recommended to field Miyabi and Ellen for this stage.

Yuzuha+Miyabi+Yanagi

Ellen+Lycaon+Lighter

Lucia+Yidhari+Dialyn
▍Conclusion
Compared to previous iterations, this Shiyu Defense Challenge will run for a shorter duration and conclude on January 8th.For more game news and updates, be sure to visit the TOPUPlive platform frequently!
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