This is an Infinite Trials guide (Demon Slayer Collab) for Seven Knights Re:birth (7K Rebirth), covering strategy tips and best teams for Infinite Trials.
Table of Contents
Infinite Trials Quick Reference
Enemy Team and Best Team
| Floor | Enemy Team | Best Team |
|---|---|---|
Floor 10 | ![]() | |
Floor 9 | ||
Floor 8 | ||
Floor 7 | ||
Floor 6 | ||
Floor 5 | ![]() | |
Floor 4 | ||
Floor 3 | ||
Floor 2 | ||
Floor 1 |
Schedule & Update Info
| Event Period | Until 6:00 AM on Thursday, October 29, 2026 |
|---|
Infinite Trials is the Demon Slayer collab version of the Tower of Trials. Akaza appears as the Floor 5 boss, and Doma as the Floor 10 boss.
Tips and Things to Note for Infinite Trials
Velika's Tower-Exclusive Effect Still Activates

Since Infinite Trials is treated the same as the regular Tower of Trials, Velika's various effects that only activate in the Tower of Trials will still trigger. Her passive buff is extremely powerful, so she's a great pick if you want to boost your damage output or status effect damage.
Velika RatingMany Floors Favor Status Effects
Many floors in Infinite Trials favor specific status effects. Equip status-effect heroes with the Avenger set to raise All Attack (%), and equip a ring that boosts Boss Damage, and their status effect damage will increase, making it easier to clear in fewer turns.
Aim to Clear It First
You can retry floors in Infinite Trials even after clearing them. While it's best to collect the max 6 Medals right from the start, it's also fine to aim for a full clear first and come back to collect more Medals later.
HP Alteration and Death Don't Work
Since HP Alteration doesn't work in Infinite Trials, heroes with HP Alteration skills like struggle to perform well. Death also doesn't work, so Death-focused teams aren't well-suited for Infinite Trials either.
Check Other Players' Clear Data

You can view other players' clearing party info from the Clear Data button in the bottom-left of the team formation screen. If you're unsure how to build your team, it's recommended to copy a team from the Clear Data.
Challenging Stage Floor-by-Floor Guide
Floor 1: Freeze is Effective
Floor 1 deals increased freeze damage. Strip Freeze Immunity with Heavenia's Buff Duration Reduction, then take them down with Gelidus's Absolute Zero and Heavenia's Freeze.
Boost your Attack with Avenger equipment and equip a Ring of Subjugation, and you can clear around Turn 10.
1F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Floor 2: Poison is Effective
Floor 2 deals increased poison damage. Raise your damage output with Biscuit↓ and Lina↑, then apply Poison with Dongyoung↑ and Bai Jiao↓.
Freeze is inflicted here, so you must include a hero with Freeze Immunity.
2F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Floor 3: Burn is Effective
Floor 3 deals increased burn damage. Due to cooldown timing, it's best to bring in Tanjiro Kamado↓ first, raise your damage output with Biscuit↓, and use Fai's and Tanjiro Kamado's Burn skills.
Adding Hayeon gives you Cover, which increases your chances of inflicting Burn and makes you harder to take down thanks to healing and Barriers.
3F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Floor 4: Quickly Remove Damage Immunity
On Floor 4, Orly has 80 stacks of Damage Immunity, and the additional rule adds 10 more Damage Immunity stacks to Skill 1. Use Bai Jiao's and Dongyoung's Poison or Ling Ling's multi-hit attacks to strip it off quickly and take her down.
4F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Multi-Hit Attacks Are Best for Floor 5
The Floor 5 boss, Akaza, has
5F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Bleed Works Well on Floor 6
Floor 6 deals increased Bleed damage. Stack multiple instances of Bleed with Bi Dam↓ Bai Jiao↑, then use Bi Dam↑'s Bleed burst, and an 8-turn clear is possible.
Velika is included to boost Damage Dealt, and Sieg to boost Physical Attack, both to increase Bleed damage.
6F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Prepare Stun and Burn Countermeasures for Floor 7
The Floor 7 boss, Jave, inflicts Stun and Burn, and deals powerful bonus damage to Burned targets, so a Stun Immunity and Burn Immunity hero are practically mandatory. The Additional Rule blocks Magic Damage, so take him down with Ryan's and Bai Long's skills.
7F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Approach Floor 8 Like the Ox King Raid
Floor 8 plays out similarly to the Ox King Raid. Block Petrify with Daisy and Bleed with Karon, and take down the reviving Sun Wukong (∆5) with Daisy's Buff Removal skill.
Since the enemy's damage output is high, it's recommended to equip the Ring of Authority if your Attacker is getting defeated.
Ox King Raid Guide - Best Teams and How to Beat8F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Approach Floor 9 Like the Iron Devourer Raid
Floor 9 plays out similarly to the Iron Devourer Raid. Block Paralysis with Xiao Qiao and Poison with Lucy, and target Yu Shin with Weakness Hits.
Raise Weakness Hit Chance with Equipment
The Additional Rule reduces Weakness Hit Chance by an amount equal to Biscuit's buff value. Use equipment and passives to bring Pascal's and Xiao Qiao's Weakness Hit Chance close to 100%.
Iron Devourer Raid Guide - Best Teams and How to Beat9F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
Prevent Misses with Weakness Hits on Floor 10
Doma on Floor 10 inflicts Increased Miss Chance, and deals 2,000 fixed piercing damage whenever you Miss. You can't Miss when a Weakness Hit lands, so it's best to boost everyone's Weakness Hit Chance through gear.
Tips! | Sunran reaches 100% Weakness Hit Chance at Transcendence 6, so you won't need to boost it through gear. |
Tanjiro Kamado's Extra Damage is Very Effective
Doma has Blessing, so Tanjiro Kamado, who deals extra damage based on the number of buffs/debuffs on the enemy, is the best choice. Every 2 attacks from Doma also triggers a Magic Attack Boost, which synergizes well with him. Pair him with Sunran, who has a 3-hit attack skill, to wear down HP.
Tips! | Tanjiro Kamado also reaches 100% Weakness Hit Chance at Transcendence 6, so he fits well for this reason too. |
Avoiding Defeat is Key
Doma has an effect that heals enemies and removes their debuffs whenever an ally is defeated. If your allies are defeated, the enemy will heal significantly and the fight will take longer, so use Hayeon's debuff removal and continuous healing skill as needed. It's also best to equip the Ring of Authority.
10F - Additional Rules
| Medal | Additional Rules |
|---|---|
| -1 | |
| -1 | |
| +1 | |
| +1 | |
| +1 |
What Is Infinite Trials?
Clear Floors to Collect Medals and Earn Rewards
Infinite Trials is a PvE mode where you earn rewards like Rubies and Legendary Rings based on the number of Medals you collect. Defeating all enemies on a floor earns you a Medal and lets you advance to the next floor.
Tips! | You need to clear Floor 50 of the Infinite Tower to challenge Infinite Trials. |
|---|
The Additional Rule Changes How Many Medals You Earn
You can apply an Additional Rule in Infinite Trials. Applying an ally-boosting Buff rule makes it easier to clear, but reduces the number of Medals earned. Conversely, applying a Debuff rule makes it harder to clear, but increases the number of Medals earned.
Related Seven Knights Re: BIRTH Articles
Ranking Articles
| Ranking Articles | ||
|---|---|---|
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Demon Slayer Collaboration
| Demon Slayer Collab Characters | |||
|---|---|---|---|
Tanjiro Kamado | Zenitsu Agatsuma | Giyu Tomioka | Shinobu Kocho |
| Demon Slayer Articles | |
|---|---|
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Recommended Articles
Dungeon, Raids, and Towers
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