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The Zenless Zone Zero 2.5 Beta update brings a significant rework to the Shiyu Defense Battle, changing both its structure and scoring mechanics. Below is a clear breakdown of all stage changes, scoring rules, challenge goals, and rewards to help you prepare for the new format.

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| ZZZ 2.5 Shiyu Defense Stage Structure Changes

>Stages 1–4 : Unchanged

• Still feature two routes per stage.

• Clearing the stage within 5 minutes earns an S rating.

>Stage 5: Reworked Into a Three-Room Point Battle

• The fifth stage now contains three independent rooms, each lasting 5 minutes.

• This stage uses a point-based scoring system instead of traditional enemy-clearing.

• Rooms are not continuous. You may complete one room and then challenge another, similar to a crisis mode.

| ZZZ 2.5 Shiyu Defense Stage Scoring Rules

>Damage and Defeat Points

• Dealing damage to enemies grants damage points.

• Defeating enemies grants a one-time score: 200 points for normal enemies, 900 points for elite enemies, and 3000 points for bosses.

• Maximum total score per room is 60,000 points.

>Time-Based Multipliers

Points earned at different timestamps receive additional multipliers:

• High-damage bursts early on greatly improve your score due to stronger multipliers.

| ZZZ 2.5 Shiyu Defense Stage Challenge Ratings

>Overall Ratings

>Individual Room Ratings

• S-: Room score reaches 25,000 points

• A-: Room score reaches 16,000 points

• B-: Room score reaches 8,000 points

| ZZZ 2.5 Challenge Rewards

> Stage 1–4 Challenge Rewards

> Stage 5 Challenge Rewards

| Conclusion

Stage 5 focuses heavily on burst damage and efficient room selection, rewarding players who can maximize early multipliers. Prepare high-damage builds and plan your room order strategically to achieve the best scores.

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