Immortal Castle (Wednesday) Rachel Guide

This is a Castle Rush guide for Immortal Castle in Seven Knights Re:Birth. Covering Wednesday's Rachel Castle, Best Team, Best Hero, Strategy, Tips, and How to Get a High Score in 7K Rebirth.

Castle Rush Guide
Rudy	Eileene	Rachel	Dellons
Jave	Spike	Kris

Castle Rush Guide & Best Heroes to Use

Immortal Castle (Wednesday) Rachel Basic Info

Enemy Info

Enemy	Rachel Rook Chancellor
Enemy Attack Type	Physical
Status Effects Inflicted	Burn
Effective Status Effects	None
Other Features	- Decreases Defense and All Attack Reduction - Physical Attack/Single-Target Skill/5-Target Skill Damage Resistance - Activates Berserk after 30 turns (Damage Dealt increases by 50% → increases to 100% → 200% → 500% over turns)

Immortal Castle is one of Castle Rush's stages where you face the Seven Knights and earn points. It opens every Wednesday, and rewards are distributed daily at 12 AM (UST+0) based on Guild Rank, which is determined by the total points earned by all members.

Main Rewards

Category	Reward
Individual Reward	Guild Token Gold Key Castle Rush Challenge Medal
Guild Reward	Hero Summon Card for Each Castle Rush Rank Gold Box for Each Castle Rush Rank Castle Rush Challenge Medal
Castle Rush Challenge Mission	Key Box Leah (Ultimate Enhancement Material) Skill Enhancement Stone Gold Rare Hero Select Card Hero Summon Ticket

Castle Rush has Individual Rewards, Guild Rewards, and Castle Rush Challenge Mission rewards. The higher the rank, the better your chances of getting a Seven Knights hero from the Guild Reward Hero Summon Card, so aim for a high score together with your guild members!

Tips!	You can also exchange 4,000 Castle Rush Challenge Medals for a Seven Knights Summon Card at the Guild Exchange Shop.

Immortal Castle (Wednesday) Rachel Guide Tips

Burn Immunity is a Must

List of Burn Immunity Heroes
Ariel	Yui
Ryan

The enemies inflict Burn. Without a countermeasure, this puts you at a serious disadvantage, so be sure to include a hero with Burn Immunity. Yui, who can also double as a healer, is fine for early game, but Ryan, who offers CT Reduction, is the ideal pick.

Use Magic Attacks That Hit 3 to 4 Enemies

At Least One Of These
Vanessa	Ariel	Sera	Ruri
Cleo	Rin	Miho	Sun Wukong
Nezha

All enemies in Immortal Castle have Damage Resistance against Physical Attacks, Single-Target Attack Skills, and 5-Target Attack Skills, so attack with Magic Attacks that hit 3 to 4 enemies. Nezha is the best pick, but Sun Wukong or Ruri also work if you don't have her.

Clear Rounds 1 and 2 Quickly First

Castle Rush has 3 rounds, and the boss, Rachel, appears in Round 3. Since you need to raise your score as much as possible within 70 turns, clear Rounds 1 and 2 quickly using your sub attacker's attacks.

Boost Damage with Buffs and Debuffs

Examples of Buff/Debuff Heroes
Ariel	Lina	Biscuit	Orly
Miho

Once you reach Round 3, boost your attacker's damage with buffs and debuffs. It's recommended to use the buffs/debuffs with the longest duration first.

Tips!	Some builds use the attacker's skill before buffs/debuffs to raise the attack skill's uptime instead.

Use Debuff Removal When Debuffed

Any One Of These
Chloe	Lucy	Orly	Miho
Skuld	Yoongun

When Rachel uses Skill 2, your Defense and All Attack are reduced. This puts you at a disadvantage and makes it harder to raise your score, so remove it right away with Debuff Removal.

Tips!	Lucy or Chloe, who are also useful for Raids and Power Up Dungeons, work well early on, but Miho, who gains Debuff Removal at Transcendence 2, is ultimately the recommended pick.

Whittle Down Enemy HP with Your Attackers

Once buffs and debuffs are set up, whittle down enemy HP using your back-row attackers. When stacking Ryan's and Nezha's CT Reduction together, it's important to use your attacker's skills without any waste.

Manage HP with Healing and Barriers

To raise your score, you'll want to prioritize attacking, but it's all for nothing if your heroes get defeated. Make sure to manage HP carefully with healing and Barrier skills so your heroes don't go down.

Progress Enhancement, Rank Up, and Other Growth

Growth such as Enhancement, Rank Up, and Ultimate Enhancement is important for raising your score. In particular, prioritizing Ultimate Enhancement and Skill Enhancement for your attackers makes it much easier to boost your score, so it's highly recommended.

Power Up Guide & How To Strengthen Heroes

Best Team Examples

Advanced Player Team

Team Composition Formation: Defense

Biscuit

Ryan

Nezha

Lina

Miho

Buff/Debuff

Burn Immunity
CD Reduction

Main DPS
Buff
Barrier
CD Reduction

Buff/Debuff
Heal

Sub-DPS
Buff/Debuff
Debuff Removal

This is a team that makes Lina's Attack the 2nd highest in the team, so Nezha's CT Reduction applies to her. This improves the cooldown timing of Lina's Skill 2, maximizing her damage. Miho is used mainly as a dedicated Debuff Removal role.

Tips!	Miho's Debuff Removal only becomes available at Transcendence 2. If she's below Transcendence 2, use a different Debuff Removal hero instead.

Target Stats

Hero	Target Stats	Notes
	80%～	For WAVE 1 Clear and Score Boost
	200%〜	For WAVE 1 Clear and Score Boost
	100%	Focused on Durability
	16%～	Focused on Durability
	Around 4500	Should Be 2nd Highest in the Team
	Around 10000	Higher = More Stability
	Around 4500	Should Be 3rd Highest in the Team
	80%～	Higher is better
	200%～	Higher is better
	80%～	Higher is better
	Around 4500	Should Be 1st Highest in the Team
	70%	100% with Passive Buff
	250%～	Higher is better
	50%	100% with Biscuit's Buff
	-	Should Be 5th Highest in the Team

Adjust so Nezha's Attack is 1st highest for Ryan's CT Reduction to apply, and Lina's Attack is 2nd highest in the team for Nezha's CT Reduction to apply.

To receive buffs for as long as possible, keep Nezha's Speed the slowest in the team.

Best Equipment & Rings

Hero	Equipment	Rings (Refining)
Biscuit
Ryan
Lina
Miho
Nezha

Biscuit and Ryan, who tend to get defeated easily, are recommended to equip the Ring of Authority. If Lina also gets defeated, a Legendary Ring works too, but equip at least an HP Ring if you can spare the slot. For Miho, supplementing missing stats on her Boss Ring with the Ring of Concentration or Ring of Fortune makes your score less likely to vary.

Tips!	Refining the Ring of Authority is only ideal in principle. It has low versatility and becomes hard to use elsewhere, so you don't need to force it.

Best Pets

Ideal	Alternative	Alternative	Low Rarity
Windy	Yeonji	Igris	Note

For pets, Windy, who can inflict Boss Vulnerability, is the best pick. If you don't have her, use Yeonji or the collab Rare pet Igris instead.

Alternative Heroes

Main Pick	Alternative	Notes
	Yui	Early-Game Burn Immunity Option
	Orly	Buff/Debuff Alternative
	Lucy	Early-Game Debuff Removal Option
	Ruri	3-Target Magic Attack Alternative

You can swap Nezha for Ruri, but Nezha has higher damage output, and without her Barrier, your allies become more prone to being defeated. Orly can also double as a Debuff Removal hero at Transcendence 2 or above, but be aware that this lowers the team's overall survivability.

Skill Usage Order

0T

0T

0T

4T

8T

12T

16T

20T

24T

28T

32T

36T

40T

44T

48T

52T

56T

60T

64T

68T

Nezha's skill uptime is extremely high thanks to the two sources of CT Reduction, so try to use it up as efficiently as possible. Making sure Nezha's skill never sits ready and unused helps you avoid mistakes.

Intermediate Player Team

Team Composition Formation: Defense

Biscuit

Ryan

Nezha

Lina

Miho

Buff/Debuff

Burn Immunity
CD Reduction

Main DPS
Buff
Barrier
CD Reduction

Buff/Debuff
Heal

Sub-DPS
Buff/Debuff
Debuff Removal

The team itself is the same as the Advanced team, but Lina's equipment is switched to Paladin so that both Miho and Nezha receive CT Reduction. This lowers your score somewhat, but it's a good option if adjusting Attack or meeting Miho's equipment requirements proves difficult.

Target Stats

Hero	Target Stats	Notes
	80%～	For WAVE 1 Clear and Score Boost
	200%〜	For WAVE 1 Clear and Score Boost
	100%	Focused on Durability
	16%～	Focused on Durability
	15000～	Higher = More Stability
	Around 4500	Should Be 2nd Highest in the Team
	80%～	Higher = Less Score Variance
	200%～	Higher is better
	50%	100% with Biscuit's Buff
	Around 4500	Should Be 1st Highest in the Team
	70%	100% with Passive Buff
	250%～	Higher is better
	50%	100% with Biscuit's Buff
	-	Should Be 5th Highest in the Team

Adjust so Nezha's Attack is 1st highest for Ryan's CT Reduction to apply, and Miho's Attack is 2nd highest in the team for Nezha's CT Reduction to apply.

To receive buffs for as long as possible, keep Nezha's Speed the slowest in the team.

Best Equipment & Rings

Hero	Equipment	Rings (Refining)
Biscuit
Ryan
Lina
Miho
Nezha

Biscuit and Ryan, who tend to get defeated easily, are recommended to equip the Ring of Authority. Refining the Ring of Authority is only ideal in principle — it has low versatility and becomes hard to use elsewhere, so you don't need to force it.

Best Pets

Ideal	Alternative	Alternative	Low Rarity
Windy	Yeonji	Igris	Note

For pets, Windy, who can inflict Boss Vulnerability, is the best pick. If you don't have her, use Yeonji or the collab Rare pet Igris instead.

Alternative Heroes

Main Pick	Alternative	Notes
	Yui	Early-Game Burn Immunity Option
	Orly	Buff/Debuff Alternative
	Lucy	Early-Game Debuff Removal Option
	Ruri	3-Target Magic Attack Alternative

You can swap Nezha for Ruri, but Nezha has higher damage output, and without her Barrier, your allies become more prone to being defeated. Orly can also double as a Debuff Removal hero at Transcendence 2 or above, but be aware that this lowers the team's overall survivability.

Skill Usage Order

0T

0T

0T

4T

8T

12T

16T

20T

24T

28T

32T

36T

40T

44T

48T

52T

56T

60T

64T

68T

Apply Biscuit's and Lina's buffs/debuffs, then attack with Nezha and Miho. Be careful, since if Nezha's Speed isn't the slowest, Biscuit's buff will run out by turn 36.

Early-Game Team

Front	Front	Front	Front	Back
Yui Healer Burn Immunity	Lucy Healer Debuff Removal	Joker Buff	Ariel Buff/Debuff Sub-DPS Burn Immunity	Sera Main DPS

What Is Castle Rush?

Guild Content Based on Total Score

Castle Rush is a PvE (monster battle) mode you can play from the Guild. The total of everyone's individual scores, based on damage dealt, is tallied by the guild each day, and you receive rewards based on both your individual score and your guild's rank.

Castle Rush Guide List

Castle Rush Guide
Rudy	Eileene	Rachel	Dellons
Jave	Spike	Kris

Castle Rush Guide & Best Heroes to Use

Related Seven Knights Re: BIRTH Articles

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Hero Guesser Game	Player Profile Introduction Card Maker
Sudden Raid Guide	What is Abyssal Conquest
Yoongun - Features and Release Date	Should You Pull for Yoongun and Trude?

For Beginners
Early Game Guide	Adventurer Skills	Level & Ruby Farming
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Raid Ruby Farming	Power Up Dungeon Ruby Farming Guide
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Enhance Guide	Weakness Hit	Hero Stats Guide
Upgrade Equipment	Reroll Guide	Low Rarity Heroes
Refining Dust and Secure Refining Talisman Guide	What is Awakening?	Awakening Passive Guide
Ally Role Support Guide
Dedicated Equipment Guide
Dedicated Equipment Guide	Crush Guide	Damage Amplification Guide
Resilience Guide	Rejuvenate Guide	Tuning Guide
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Formation Guide	Party Guide	Best Heroes & Teams
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Pet Guide
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Dungeon, Raids, and Towers

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Tower Guides
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Castle Rush Guides
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Raid Battle Guide
Destroyer Gaze	Ox King	Iron Devourer

Sudden Raid Guide
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Advent Expedition
Teo	Kyle	Yeonhee
Karma	God of Destruciton

Hero Per Specialty

By Grade
Legendary					Rare					Uncommon					Common
By Max Star Rank
6★					5★					4★					3★
Per Type
Attack				Magic				Defense				Support				Universal
By Attack-Type
Physical										Magic