Icedrift Hollow Depths Easy and Hard Commission Guide

Zenless Zone Zero (ZZZ)'s Icedrift Hollow Depths is the Day 4 stage of the Watch Your Step event. See how to complete the Icedrift Hollow Depths Hard Commission to get HIA Data Samples and the guide on the Easy Commission here!

Watch Your Step Event Guides
Event Front	Day 1	Day 2
Day 3	Day 4	Day 5

Icedrift Hollow Depths - Hard Mode

Icedrift Hollow Depths Hard Maps Per Floor

Icedrift Hollow Hard Maps
Floor 1	Floor 2	Floor 3

How to Get HIA Data Samples

1. Destroy Bottom Right Bricks and Move Down
2. Push Bomb to the Fissure and Collect First HIA Data Sample
3. Push Bottom Bomb and Collect Second HIA Data Sample
4. Push Right Bomb and Collect Third HIA Data Sample
5. Push Top Bomb to Hole
6. Pick Up Remaining Samples
7. Drop Down Upper Left Fissure and Defeat Ethereals

Destroy Bottom Right Bricks and Move Down

Push down the bomb and destroy the bricks at the bottom right. Once there's an opening, go to the Fissure to the second floor.

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Push Bomb to the Fissure and Collect First HIA Data Sample

As there's no other path, push the bomb in front of you to detonate blocks on the first floor. Move forward to return to the first floor and pick up the first HIA Data Sample before moving back to the second floor.

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Push Bottom Bomb and Collect Second HIA Data Sample

Go to the Fissure to the third floor and push the bottom bomb up to the hole. From your starting point, go right, two steps down, right, and up. Pick up the HIA Data Sample on the bottom right corner afterward, doing a zigzag motion.

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Push Right Bomb and Collect Third HIA Data Sample

Move up and push the bomb on the right of the hole by going left. Take the next HIA Data Sample on the upper right by moving up, right, and up again.

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Push Top Bomb to Hole

Move two space left and then down to drop the last bomb.

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Pick Up Remaining Samples

Enter the hole and collect the fourth and fifth HIA Data Samples and head to the upper left tile.
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Drop Down Upper Left Fissure and Defeat Ethereals

Head to the final Fissure on the upper left to drop down and fight Ethereals. Note that there's a Dullahan that you must also defeat.

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Icedrift Hollow Depths - Easy Guide

Icedrift Hollow Depths Easy Mode Maps Per Floor

Icedrift Hollow Easy Maps
Floor 1	Floor 2	Floor 3

Icedrift Hollow Depths Easy Mode Route

1. Reach the Second Floor of the Hollow
2. Reach the Third Floor of the Hollow
3. Defeat the Ethereals on the Third Floor of the Hollow

Reach the Second Floor of the Hollow

Push the bomb down to the bricks below and move away to detonate it. Pick up the purple chest and proceed to the next floor.

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Reach the Third Floor of the Hollow

First, move to the upper right corner and pick up the chest. Next, push the bomb toward the bricks, leaving a gap and then moving away to make it explode. Once you create an opening, pick up the remaining chest and move to the next floor.

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Defeat the Ethereals on the Third Floor of the Hollow

Move down one space and then push the top bomb two steps to the right until it lines up with the bottom bomb. Then, move up and pick up the purple chest. Once the bombs explode, pick up the gold chest and then go to the final tile and defeat the Ethereals.

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Icedrift Hollow Depths Rewards

Easy Commission Rewards

Icedrift Hollow Depths Rewards
Polychrome x50	Specialized Ether Chip x3	Denny x20000

Hard Commission Rewards

Icedrift Hollow Depths Hard Mode Rewards
Polychrome x25	W-Engine Energy Module x4	Denny x20000

Data Collection Rewards

Icedrift Hollow Depths Data Rewards
Bangboo System Widget x5	Denny x20000

For Data Collection Rewards, you will need to collect all HIA Data Samples in the Hard Commissions of each stage in Watch Your Step. The Data that you collect will acccumulate, leading to more rewards.

Icedrift Hollow Depths has a total of 5 HIA Data Samples. Being the first stage, you should only have 5 at this point.

Icedrift Hollow Day 4 Information

Part of the Watch Your Step Event

Icedrift Hollow: Depths is Watch Your Step's Day 4 Stage where you must plan out the best route in the easy commission and get the HIA Data Samples in the hard commission!

You also get to complete the Watch Your Step: Depths Investigation Event Mission through this!

Watch Your Step Event Guide

Zenless Zone Zero Related Guides

Watch Your Step Event Guide

All Watch Your Step Event Stages