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How to Get Sun & Moon Breathing in Weak Legacy 2 (October 2025)

By: Osama
Updated On: October 5, 2025

In Weak Legacy 2, Sun and Moon Breathing represent the pinnacle of power for Demon Slayers, offering devastating abilities that dominate both PVP and PVE content. This comprehensive guide reveals exactly how to obtain both V1 and V2 versions of these legendary breathing styles, including detailed requirements, boss strategies, and expert tips to master your journey from beginner to elite warrior.

Sun & Moon Breathing

Quick Reference: Sun & Moon Breathing Requirements

Breathing StyleLevel RequiredYen RequiredKey ItemsClan RequiredBoss Fight
Sun Breathing V1Level 50100,000Sun SoulNoneNone
Sun Breathing V2Level 50100,000Sun V1 (200 Mastery)KamadoYoriichi (100K HP)
Moon Breathing V1Level 2002,500,000Moon Soul, Sun V2 (200 Mastery)NoneNone
Moon Breathing V2Level 2002,500,000Moon V1 (200 Mastery)TsugikuniKokushibo (125K HP)

How to Get Sun Breathing V1?

Sun Breathing serves as the foundation for all breathing styles and is your first step toward ultimate power in Weak Legacy 2.

Contents

Requirements for Sun Breathing V1

  • Player Level: 50
  • Yen: 100,000
  • Special Item: 1x Sun Soul (must be equipped)

Step-by-Step Guide to Sun Breathing V1

Step 1: Obtain the Sun Soul

The Sun Soul is a crucial item dropped exclusively from the Tanjiro Boss Raid located in the Slayer HQ Village. To reach this area:

  • Start from the Starting Village
  • Follow the main road leading left
  • Pass the Little Village (don't go too far left)
  • Continue to Slayer HQ Village
  • Talk to Tanjiro to initiate the Boss Raid

Pro Tip: The Tanjiro Boss Raid is best attempted between levels 50-100+ when soloing. Team up with other players for easier clears and faster Sun Soul acquisition.

Step 2: Equip the Sun Soul

Once you've obtained the Sun Soul, navigate to your inventory and equip it. This is a critical step - Yoriichi will not teach you Sun Breathing if the Sun Soul isn't equipped.

Step 3: Locate Yoriichi

Yoriichi Tsugukuni, the Sun Breathing trainer, can be found on a hill just outside the Starter Village:

  • Face the mountain where Obanai (Serpent Breathing trainer) is located
  • Move straight ahead past Obanai's position
  • Yoriichi awaits at the top of this hill

Step 4: Learn Sun Breathing V1

Approach Yoriichi with all requirements met (Level 50, 100,000 Yen, equipped Sun Soul). He will teach you Sun Breathing V1, unlocking the foundation of your journey toward ultimate power.

How to Get Sun Breathing V2?

Sun Breathing V2 represents a significant power upgrade, featuring enhanced versions of all Sun Breathing forms with devastating new effects.

Requirements for Sun Breathing V2

  • Player Level: 50
  • Yen: 100,000
  • Mastery: 200 Mastery on Sun Breathing V1
  • Clan: Kamado Clan (required for V2 only)
  • Special Item: Sun Breathing V1 (200 Mastery)

Step-by-Step Guide to Sun Breathing V2

Step 1: Meet All Prerequisites

Before attempting Sun Breathing V2, ensure you have:

  • Rolled and obtained the Kamado Clan
  • Reached 200 Mastery on Sun Breathing V1
  • Maintained Level 50 and 100,000 Yen

Important: You do NOT need the final move from Sun Breathing V1 to qualify for V2.

Step 2: Challenge Yoriichi

Return to Yoriichi's location on the hill outside Starter Village. With all requirements met, you'll have the option to challenge him to a boss fight.

Step 3: Defeat Yoriichi Boss

Yoriichi is an extremely formidable opponent with 100,000 HP. Here's the recommended strategy:

Recommended Level: 600-650+ for solo attempts

Boss Fight Strategy:

  1. Cycle Management: Use a hit-and-run approach
  2. Breathing Management: Charge your Breathing, unleash all Sun V1 moves with M1 combos
  3. Aggro Control: Retreat to drop aggro when Breathing is depleted
  4. Repeat: Recharge Breathing and repeat the cycle

Pro Tip: Having the final Sun V1 move from the Tanjiro raid significantly improves your chances of victory. Consider teaming up with other players for easier clears.

Step 4: Claim Sun Breathing V2

Upon defeating Yoriichi, you'll unlock Sun Breathing V2, featuring enhanced versions of all Sun Breathing forms with improved damage and visual effects.

How to Get Moon Breathing V1?

Moon Breathing offers a different combat approach with wide, sweeping attacks perfect for crowd control and PVE scenarios.

Requirements for Moon Breathing V1

  • Player Level: 200
  • Yen: 2,500,000
  • Prerequisites: Sun Breathing V2 with 200 Mastery
  • Special Item: 1x Moon Soul (must be equipped)

Step-by-Step Guide to Moon Breathing V1

Step 1: Obtain the Moon Soul

The Moon Soul drops from the Kokushibo World Boss with a 53.5% drop rate. To find this boss:

  • Exit the Starting Village and head right toward the Snow Village
  • Just before reaching the Snow area, turn left into a small alcove
  • Kokushibo spawns at the end of this area

Recommended Level: 1,200-1,300+ for solo attempts Pro Tip: This is a world boss - coordinate with other players to take turns maintaining aggro while others recharge Breathing.

Step 2: Locate Kokushibo Trainer

The Kokushibo trainer NPC is located on the left cliff of the hill in front of the Starter Village spawn gate. He's positioned beneath a tree on the cliff edge.

Step 3: Equip the Moon Soul

Ensure the Moon Soul is equipped in your inventory before speaking with Kokushibo.

Step 4: Learn Moon Breathing V1

Approach Kokushibo with all requirements met (Level 200, 2.5 million Yen, Sun V2 with 200 Mastery, equipped Moon Soul). He will teach you Moon Breathing V1, unlocking devastating wide-area attacks.

How to Get Moon Breathing V2?

Moon Breathing V2 represents the ultimate achievement in Weak Legacy 2, offering the highest DPS potential in the game.

Requirements for Moon Breathing V2

  • Player Level: 200
  • Yen: 2,500,000
  • Mastery: 200 Mastery on Moon Breathing V1
  • Clan: Tsugikuni Clan (required for V2 only)

Step-by-Step Guide to Moon Breathing V2

Step 1: Meet All Prerequisites

Ensure you have:

  • Rolled and obtained the Tsugikuni Clan
  • Reached 200 Mastery on Moon Breathing V1
  • Maintained Level 200 and 2.5 million Yen

Important: You do NOT need the final move from Moon Breathing V1 to qualify for V2.

Step 2: Challenge Kokushibo

Return to the Kokushibo trainer NPC and initiate the boss fight with all requirements met.

Step 3: Defeat Kokushibo Boss

Kokushibo is even more challenging than Yoriichi with 125,000 HP:

Recommended Level: 1,300+ for solo attempts

Boss Fight Strategy:

  1. Aggro Management: Use similar hit-and-run tactics as with Yoriichi
  2. Move Combination: Spam M1 attacks combined with Moon V1 Breathing moves
  3. Breathing Cycling: Retreat to de-aggro and recharge Breathing when needed
  4. Persistence: This fight requires patience and precise timing

Exclusive Drops: Defeating Kokushibo has a chance to drop the Awakened Moon Katana, which boosts all Moon V2 Breathing moves and provides enhanced visual effects. The final Moon V2 move, Crimson Lineage Impalement, also drops from the Kokushibo world boss.

Step 4: Claim Moon Breathing V2

Upon victory, you'll unlock Moon Breathing V2, the most powerful PVE breathing style in Weak Legacy 2 with massive AOE damage capabilities.

Sun Breathing vs. Moon Breathing: Which is Better?

Understanding the strengths and weaknesses of each breathing style is crucial for choosing your path:

Sun Breathing V2

  • Strengths: Incredible speed and high focused damage
  • Best For: PVP combat due to swift, precise attacks
  • Playstyle: Aggressive, close-quarters combat
  • DPS: Lower overall than Moon V2 but more consistent in PVP

Moon Breathing V2

  • Strengths: Wide, long-range area-of-effect attacks
  • Best For: PVE content and crowd control
  • Playstyle: Strategic, area-denial combat
  • DPS: Highest in the game but moves are harder to land in PVP

Recommendation: Choose Sun Breathing V2 if you prefer PVP and dueling, or Moon Breathing V2 if you enjoy PVE content and clearing large groups of enemies efficiently.

Pro Tips for Your Grind

Efficient Level and Yen Farming

  • Quest Completion: Focus on main story quests for the best experience-to-time ratio
  • Final Selection: Run Final Selection repeatedly for consistent experience and Yen
  • Boss Raids: Participate in large raids for bonus rewards and experience
  • World Bosses: Coordinate with other players for efficient world boss clears

Mastery Grinding Optimization

  • High-Level Targets: Fight the highest level bosses you can handle for maximum mastery gain
  • Raid Participation: Join raids for consistent mastery progression
  • Move Rotation: Use all available moves in your rotation to maximize mastery gain
  • Group Play: Team up with others to tackle stronger enemies safely

Boss Fight Preparation

  • Gear Optimization: Ensure you have the best possible equipment before attempting Yoriichi or Kokushibo
  • Level Advantage: Don't rush boss fights - being overleveled significantly increases success rates
  • Move Mastery: Practice your breathing move combinations before attempting challenging bosses
  • Consumables: Stock up on any healing or buff items available in the game

Clan Rolling Strategy

  • Kamado Clan: Required for Sun Breathing V2 - consider rolling early if planning this path
  • Tsugikuni Clan: Required for Moon Breathing V2 - the rarest and most sought-after clan
  • Patience: Clan rolling can be time-consuming - save Yen and roll strategically

Community Resources

Official Weak Legacy 2 Discord

Join the official Weak Legacy 2 Discord server for real-time discussions, updates, and community support. This is the best place to find groups for boss raids, stay informed about game updates, and get immediate help from experienced players.

Weak Legacy 2 Trello Board

The official Trello board provides comprehensive information about all game mechanics, breathing styles, and updates. It's an excellent reference for detailed move lists, trainer locations, and game mechanics.

Roblox Weak Legacy Wiki

The Roblox Weak Legacy Wiki offers detailed information about all breathing styles, including specific move descriptions and requirements.

Reddit Community

Join the Weak Legacy 2 Reddit community for player discussions, strategy sharing, and community events. While not exclusively dedicated to Weak Legacy 2, the Roblox subreddit often features game-specific content and discussions.

Frequently Asked Questions

Q: Can I have both Sun and Moon Breathing at the same time?

A: No, you can only have one Breathing Style equipped at a time. You must choose which breathing style to use, but you can switch between them if you've unlocked both.

Q: What is the easiest way to get the Sun Soul?

A: The Sun Soul only drops from the Tanjiro Boss Raid in Slayer HQ. Team up with other players to increase your chances of success and make the fight more manageable.

Q: Do I need Sun Breathing V2 to get Moon Breathing V1?

A: Yes, this is a mandatory requirement. You must have Sun Breathing V2 with 200 Mastery before you can even start the quest for Moon Breathing V1.

Q: Which is harder to get, Sun V2 or Moon V2?

A: Moon V2 is generally considered the harder of the two due to its stricter prerequisites, including already having Sun V2 mastered and the massive 2.5 million Yen cost.

Q: Do I need the Kamado/Tsugikuni clans for V1 breathing styles?

A: No, you only need these clans for the V2 versions. The V1 breathing styles can be obtained without any specific clan requirements.

Q: Do I need the final moves from V1 to get V2 breathing styles?

A: No, you do not need the last moves from the V1 versions to progress to V2. Focus on reaching 200 Mastery rather than acquiring specific moves.

Q: What's the fastest way to get Mastery for Sun and Moon Breathing?

A: Kill the highest level bosses you can handle, whether from Raids or world bosses. The higher the enemy level, the faster your mastery will increase.

Q: What's the fastest way to grind Levels and Yen for Sun and Moon Breathing?

A: Quests and bosses are the most efficient methods, supplemented by Final Selection runs and Tanjiro raids for additional rewards.

Q: What level should I be for the Yoriichi boss fight?

A: For solo attempts, aim for Level 600-650+. The fight is much easier with a group, allowing lower-level players to participate.

Q: What level should I be for the Kokushibo boss fight?

A: For solo attempts, aim for Level 1,300+. Kokushibo is significantly more challenging than Yoriichi and requires better preparation and gear.

Conclusion

Unlocking Sun and Moon Breathing V2 in Weak Legacy 2 represents the pinnacle of power and dedication. The journey is long and challenging, requiring you to grind for levels, accumulate millions of Yen, master breathing techniques, and defeat formidable bosses. However, the reward is worth the effort - you'll wield the most powerful abilities in the game, capable of dominating both PVP and PVE content.

Remember that patience and persistence are key. Take your time to properly prepare for each challenge, join the community for support and groups, and don't be afraid to ask for help. The path to mastering Sun and Moon Breathing is a marathon, not a sprint, but the sense of achievement upon unlocking these ultimate techniques is unparalleled.

Whether you choose the swift precision of Sun Breathing or the devastating area damage of Moon Breathing, you'll join the elite ranks of Weak Legacy 2's most powerful players. Good luck on your journey to breathing mastery!

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