This is a guide for Advent Expedition Yeonhee in Seven Knights Re:Birth (7K Rebirth). Including tips and strategy, best team setup, and how to beat Yeonhee in Advent Expedition.
Table of Contents
| Advent Expedition Guides | |
|---|---|
  Shadow Teo Guide |  Shadow Kyle Guide |
 Shadow Yeonhee Guide |  Shadow Karma Guide(Coming soon) |
Best Characters for Shadow Yeonhee
Use Triple-Target Magic Attacks
Destructive Shadow Yeonhee greatly reduces damage taken from attacks other than Magic and Triple-Target Attacks, so you must use Magic Damage Heroes with Triple-Target Attack skills.
Prepare Countermeasures for Sleep
Shadow Yeonhee prioritizes inflicting Sleep on back-row allies. One of the two teams can use Sarah, who has Sleep Immunity, but the other team must place a Hero with Debuff Removal in the front row to immediately remove Sleep as soon as it's inflicted.
Recommended Buffers & Debuffers
| Characters with Multiple Powerful Buffs | |||
|---|---|---|---|
| Biscuit | Lina | Kagura | Chloe |
| Magic Attack Boost | |||
| Yeonhee | Daisy | Victoria | Noho |
| Magic Damage Boost | |||
| Kyrielle | Ariel | ||
| Defense Reduction | |||
| Ace | Biscuit | Lina | Rachel |
| Vanessa | Orly | Juri | |
| Magic Vulnerability | |||
| Miho | Vanessa (T6) | Velika | Espada |
| Victoria | |||
Basically, buffs and debuffs of the same type don’t stack, so try to build your team with a good balance to avoid overlaps. However, there’s an exception — buffs of the same type do stack if they come from an active skill and a passive skill, so it’s fine to have both on the same team.
Best Team Setup Examples for Shadow Yeonhee
Sample Team 1
B: Back row / F: Front row
| B | Ruri | - Main DPS |
|---|---|---|
| F | Yeonhee | - Magic Attack Boost (Passive) - Sub-DPS At Transcendence 0, Yeonhee should be placed in the front row to improve her survivability. However, at higher Transcendence, she can be moved to the back row to maximize her damage output. |
| F | Sarah | - Cleanse/Debuff Removal - Defense Reduction - Avoid placing the Cleanser in the backline. - Sleep Immunity |
| F |  Miho | - Magic Vulnerability (Skill 1) - Weakness Hit Damage Boost (Passive) Miho has low durability, so it’s best to use one or both armors with defensive stats. Since this content has limited attempts, choose Damage Taken Reduction rather than Block Rate for the main stat. |
| F |  Lina | - Damage Boost (Skill 2) - Defense Reduction (Skill 2) - Crit Damage Boost (Passive) |
To achieve a high score, the key is how quickly you can deal 1M damage to Yeonhee and finish Round 1. That's why Team 1 is composed of characters who can provide Critical damage, Defense Reduction, and Magic Vulnerability.
Sample Team 2
B: Back row / F: Front row
| B | Sera | - Main DPS |
|---|---|---|
| B | JuriRachel | - Weakness Hit Chance Boost (Rachel) - Defense Reduction (Juri) - Sub-DPS (Juri) Note that Rachel and Juri share the same team slot but fulfill different roles. Juri is mainly a Sub-DPS who can provide Defense Reduction Debuffs while Rachel is a Weakness Hit Chance buffer with Attack and Damage Reduction Debuffs. |
| F |  Vanessa Daisy | - Defense Reduction (Vanessa) - Magic Attack Boost (Daisy) - Magic Vulnerability (Transcendence 6) |
| F | ChloeOrly | - Cleanse/Debuff Removal - Avoid placing the Cleanser in the backline. Orly requires Transcendence 2 to unlock her cleansing ability, while Chloe needs both a Skill Enhancement and Transcendence 6 to provide her full utility, which includes a 20% All Attack boost and a 27% Crit Rate increase. |
| F |  Biscuit | - Buff Removal - Boss Damage Boost (Skill 1) - Weakness Hit Chance Boost (Skill 1) - Defense Reduction (Passive) |
For Round 2, prioritize applying debuffs on Shadow Yeonhee before using Sera’s Skill 1 → Skill 2. If you are low on turns after Round 1, you can skip the debuffs and focus on Sera’s skills instead. Note that if you have Juri, it is still best to apply debuffs first, as most of your damage will come from Juri’s Follow-Up Attacks.
 Tips! | Without Sleep Immunity for team 2, it is important to place 3 heroes in the back row to bait Shadow Yeonhee’s Calamitous Gesture, which is guaranteed to inflict Sleep and always targets the back row. The cleanser should be positioned in the front row to ensure they can reliably cleanse the back row. |
|---|
Advent Expedition Yeonhee Overview
Enemy Information
| Enemies |  Destructive Shadow Yeonhee |
| Enemy Attack Type |  Magic |
| Status Ailments Inflicted | Sleep |
| Effective Status Ailments | None |
| Other Characteristics | - Deals Defense Ignoring Damage - Inflicts Sleep - Magic Attack/Single, Double, and Quintuple Attack Resistance |
Main Rewards
| Category | Reward Details |
| Clear Rewards |  600 God of Destruction Fragments 2 Yeonhee Equipment Box |
| Personal Rewards | God of Destruction Fragments Keys |
| Rank Reward |  Rare Accessory Box God of Destruction Fragments |
| Challenge Missions |  Key Bundle Ultimate Enhancement Material Leah Skill Enhancement Stones Gold Legendary Hero Ticket Hero Summon Ticket |
For Advent Expedition Clear Reward, opening each box grants one random 6★ Four Lords of Old Equipment. Keep in mind that event participation and reward claim are each limited to once per account.
What is the Advent Expedition?
Guild Co-op Content
Advent Expedition is a Guild cooperative content where players team up with guild members to defeat the God of Destruction and the illusions of the Four Lords of Old. The final boss, the God of Destruction, can only be challenged after all four shadows have been defeated.
| Tips! | Advent Expedition content becomes available upon reaching guild level 10. |
|---|
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Poison GuideHero Per Specialty
| By Grade | |||||||||||||||||||
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| Legendary | Rare | Uncommon | Common | ||||||||||||||||
| By Max Star Rank | |||||||||||||||||||
| 6★ | 5★ | 4★ | 3★ | ||||||||||||||||
| Per Type | |||||||||||||||||||
| Attack | Magic | Defense | Support | Universal | |||||||||||||||
| By Attack-Type | |||||||||||||||||||
| Physical | Magic | ||||||||||||||||||
