

09/30/2026 00:00

Challenge Period:
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Calculation Period :
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*For more information on the Hell's Park Underside, please see How to Play.
Using "Skip Quest" in Hell's Park will skip all quests that have already been completed.
This means that when you complete the various quests in Hell's Park Underside, you will also get the Hell's Park stamina and other rewards in one lump sum.
The "Skip Quest" function is also released when the setting is "ON".
Area:U
Area:U
Area:U
*Areas to be unlocked in the future will rotate on a monthly basis.
| Area:U |
Since some demons are weak to the attribute, attack them with skills with the attribute! When raising the Area Level, it is necessary to organize grade restrictions are placed on the demons that can be organized, so strengthen the demons Low Grade Demon to take on the challenge! |
|---|---|
| Area:U |
Since some demons are weak to attributes, attack them with attribute skills! When raising the Area Level, it is necessary to organize five Demons obtainable for Fusion, so strengthen the demons obtainable for Fusion to take on the challenge! |
| Area:U |
Since some demons are weak to the attribute, attack them with skills with the attribute! When raising the Area Level, it is necessary to organize five demons of the race【】, so strengthen the demons of the appropriate race to take on the challenge! |
The collected "Friendship Badge [Gold]" and "Friendship Badge [Silver]" can be exchanged for the following rewards.
Hell's Park Underside Exchange(Cost:Friendship Badge [Gold])
| Item | Price | Pieces |
|---|---|---|
| 5★ Beast Lost Name (Aragami) | 600 | 1 |
| Beast Lost Name Spirits ×10(1st) | 100 | 10 |
| Beast Lost Name Spirits ×10(2nd) | 150 | 20 |
| Beast Lost Name Spirits ×10(3rd) | 200 | 30 |
| Transcend Stone for Beast Lost Name ×1(1st) | 100 | 94 |
| Transcend Stone for Beast Lost Name ×1(2nd) | 200 | 244 |
*There is no reset for the above exchange rewards.
*The item "Beast Lost Name Spirits ×10(1st)" will be added to the Lineup after "5★ Beast Lost Name (Aragami)" has been acquired.
*The item "Beast Lost Name Spirits ×10(2nd)" will be added to the Lineup after "Beast Lost Name Spirits ×10(1st)" has been acquired.
*The item "Beast Lost Name Spirits ×10(3rd)" will be added to the Lineup after "Beast Lost Name Spirits ×10(2nd)" has been acquired.
*The item "Transcend Stone for Beast Lost Name ×1(1st)" will be added to the Lineup after "5★ Beast Lost Name (Aragami)" has been acquired.
*The item "Transcend Stone for Beast Lost Name ×1(2nd)" will be added to the Lineup after "Transcend Stone for Beast Lost Name ×1(1st)" has been acquired.
Hell's Park Underside Exchange(Cost:Friendship Badge [Silver])
| Item | Price | Pieces | Reset |
|---|---|---|---|
| Hell Genome Cube × 1 | 1,000 | ∞ | |
| Jack Frost [Underside] Genome × 1 | 3,000 | 1 | |
| Isis [Underside] Genome × 1 | 3,000 | 1 | |
| 100 | 20 | Monthly | |
| 500 | 5 | Monthly | |
| 200 | 5 | Monthly | |
| 3,000 | 2 | Monthly | |
| 1,000 | 1 | Monthly | |
| 3,000 | 1 | Monthly | |
| 2,000 | 2 | Monthly | |
| 300 | 5 | Monthly | |
| 300 | 5 | Monthly | |
| 300 | 5 | Monthly | |
| 300 | 5 | Monthly | |
| 300 | 5 | Monthly | |
| 1,500 | 2 | Monthly | |
| 500 | 10 | Monthly |
*The deadline for the exchange of "Isis [Underside] Genome" is .
*The deadline for the exchange of "Jack Frost [Underside] Genome" is no expiration date.
Please check the in-game information for details.
You can obtain a special Skill Genome that activates additional effects exclusively in Hell's Park Underside.
If you get it from the "Hell Genome Cube", it will be determined at random.
Ranking rewards will be awarded according to the scores earned in the All Areas.
| Rank | Reward |
|---|---|
| 1 |
Friendship Badge [Silver] × 3,000 Title: Underside MVP |
| 2 |
Friendship Badge [Silver] × 3,000 Title: Proven Strength |
| 3 |
Friendship Badge [Silver] × 3,000 Title: A True Secret Trick |
|
4~ 10 |
Friendship Badge [Silver] × 3,000 Title: Famous Behind the Scenes |
|
11~ 100 |
Friendship Badge [Silver] × 1,500 |
|
101~ 999,999 |
Friendship Badge [Silver] × 1,000 |
*You will be rewarded all the Titles beneath your final ranking as well.
| Rank | Reward |
|---|---|
|
1~ 10 |
Friendship Badge [Silver] × 1,000 |
|
11~ 100 |
Friendship Badge [Silver] × 500 |
|
101~ 1,000 |
Friendship Badge [Silver] × 400 |
|
1,001~ 10,000 |
Friendship Badge [Silver] × 300 |
|
10,001~ 30,000 |
Friendship Badge [Silver] × 200 |
|
30,001~ 999,999 |
Friendship Badge [Silver] × 100 |
You will be rewarded all the Titles beneath your final ranking as well.
| Rank |
Area:U Reward Title |
Area:U Reward Title |
Area:U Reward Title |
|---|---|---|---|
| 1 | Gold Medal | Gold Medal | Gold Medal |
| 2 | Silver Medal | Silver Medal | Silver Medal |
| 3 | Bronze Medal | Bronze Medal | Bronze Medal |
| 4~10 | Fighter's Prize | Fighter's Prize | Fighter's Prize |
| 11~ | - | - | - |
Please Note
Please note that there may be changes made without prior notice.
Violation of our terms of service during the event may result in the suspension of your account, immediate or otherwise.
"SHIN MEGAMI TENSEI Liberation Dx2" Operations Team