How to Get Mereoleona in Anime Vanguards (March 2026) Skills

Updated by Ankit Babal
August 6, 2025
Gaming

The fiery lioness of Black Clover has finally arrived in Anime Vanguards Update 7.5, and she’s absolutely melting the competition! Mereoleona Vermillion (Leo) brings unprecedented flame power and unique scaling mechanics that completely redefine the DPS meta. Unlike the gacha-locked units that drain your gems, this blazing powerhouse is 100% free through the Lion’s Arrival summer event – but only if you know exactly how to unlock her and maximize her devastating potential.

Quick Facts About Mereoleona	Details
Unit Name	Leo / Leo (Fangs)
Rarity	Event Unit (Limited)
How to Get	Lion’s Arrival Summer Event
Element	Fire
Best For	High DPS, AoE Damage, Boss Killing
Evolution Available	Yes (Leo → Leo Fangs)
Cost Required	No summons – Event missions only

I’ve been grinding with Mereoleona since the moment Update 7.5 dropped, and let me tell you – she’s easily one of the most impressive and well-balanced units introduced recently. Her unique toggled ability system, burning synergies, and insane damage scaling make her essential for tackling the latest content. Whether you’re struggling with World Lines or preparing for competitive modes, this comprehensive guide will show you exactly how to unlock, optimize, and dominate with the Uncrowned Lioness herself!

How to Get Mereoleona (Leo) in Anime Vanguards?

Step-by-Step Unlock Guide

Getting Mereoleona is refreshingly straightforward – no RNG, no banner pulls, just pure gameplay! Here’s your complete roadmap:

Access the Event Area
- Launch Anime Vanguards
- Head to the lobby spawn area
- Look for the glowing Event portal on your right
Find the Lion’s Arrival Event
- Enter the Event Area
- Locate the Lion’s Arrival event board (it has Mereoleona’s portrait)
- Interact with the board to see mission requirements
Complete Event Objectives
- Wave 20 Challenge: Reach Wave 20 in the Summer Event map 10 times
- Enemy Defeat Quota: Eliminate 1,000 enemies using Summer units
- Portal Completion: Clear 5 Summer Event portals
- Boss Encounters: Defeat the Prideful Sin Escanor 3 times
Claim Your Reward
- Return to the event board after completing all objectives
- Click “Claim Mereoleona” from the reward screen
- She’ll be added directly to your unit collection!

Important Event Details

Event Duration: 30 days from Update 7.5 launch
Level Requirement: None – new players can participate immediately
Time Investment: Approximately 2-3 hours of focused gameplay
Can Be Done Solo: Yes, all objectives are achievable in single-player

Mereoleona Skills & Abilities Breakdown (March 2026)

Passive Abilities – The Burning Engine

Mereoleona’s kit revolves around stacking burn effects and adaptive combat mechanics:

1. Infernal Burn Application

All attacks apply burn status
Base burn damage: 20% of Mereoleona’s damage stat
Burn duration: 5 seconds
Stacks with other burn sources

2. Enhanced Burn Scaling

When burning an already-attacked enemy, burn damage increases by 5%
This effect stacks up to 10 times (50% total increase)
Creates exponential damage growth against tanky enemies

3. Adaptive Combat Range

Base range increases by 20% for EACH burning enemy within range
Can potentially double or triple her effective range
Synergizes perfectly with her AoE attacks

4. Burning Focus Damage

Attacks against burning enemies deal 20% extra damage
This multiplier applies after all other damage calculations
Makes her incredibly effective against high-HP targets

Active Ability: Hellfire Incarnate (Toggle)

This is where Mereoleona becomes truly unique in Anime Vanguards’ roster:

Activation Effects:

Gains +1% damage per second for every second an enemy is in range
Damage buff has no cap – it keeps scaling infinitely
Buff applies to all damage sources including burn ticks

The Risk Factor:

Each attack reduces her range by 2%
Range reduction cannot be cleansed or removed
Creates a high-risk, high-reward gameplay dynamic

Strategic Usage:

Toggle ON during boss phases for maximum DPS
Toggle OFF when repositioning or handling waves
Deactivating resets both buffs AND debuffs to default

Evolution: Leo → Leo (Fangs)

Evolving Mereoleona transforms her from great to absolutely game-breaking:

Evolution Requirements:

Level 50 Mereoleona
3x Phoenix Shards
5x Fire Essence Stones
2x Rainbow Essence Stones
50,000 Gold

Leo (Fangs) Improvements:

Base damage increased by 40%
Burn damage scales to 30% (up from 20%)
New passive: “Lioness Pride” – Immune to stun/freeze
Maximum upgrades increased to 10
Range reduction penalty reduced to 1.5% per attack

2026 Best Traits for Mereoleona in Anime Vanguards

Based on extensive testing and community feedback, here are the optimal trait combinations:

S-Tier Trait Options

Deadeye (0.375%)
- +35% Critical Hit Chance
- +20% Critical Damage
- Synergizes perfectly with her rapid attacks
Solar (0.5%)
- +25% Attack Speed
- +15% Damage
- +10% Range
- The ultimate all-around boost for Mereoleona
Ethereal (0.175%)
- +40% Attack Speed
- +25% Damage
- Turns her into an absolute DPS machine

A-Tier Alternatives

Vigor III: +15% damage boost – solid and consistent
Blitz: +30% attack speed – more burns, more damage
Swift III: +20% movement speed – helps with repositioning

Trait Priority Tips

Prioritize attack speed traits to maximize burn applications
Damage traits multiply with her scaling mechanics
Range traits help offset Hellfire Incarnate’s drawback
Use your trait rerolls wisely!

Optimal Placement Strategies

Wave Defense Positioning

Early Waves (1-10):

Place Mereoleona at major chokepoints
Keep Hellfire Incarnate OFF to maintain range
Focus on building burn stacks on multiple enemies

Mid Waves (11-20):

Position near spawn points for immediate burn application
Toggle ability ON during dense enemy clusters
Use support units to slow enemies in her range

Boss Waves:

Place directly in boss path
Activate Hellfire Incarnate immediately
Surround with crowd control units to maximize uptime

Map-Specific Strategies

Sun Temple (Summer Event):

Position at the temple entrance curve
Excellent for burn spreading due to tight paths
Toggle management crucial for survival

Dried Lake:

Place at the central crossroads
Maximum coverage for adaptive range bonus
Ideal for farming event currency

Mountain Pass:

Set up at elevation changes
Height advantage amplifies her AoE
Perfect for Hellfire Incarnate abuse

Anime Vanguards Team Synergies & Compositions (March 2026)

Best Partners for Mereoleona

1. Crowd Control Units

Divalo (Requiem): 50% global slow maximizes burn uptime
Kafla (Overpower): Grouping enemies amplifies AoE efficiency
Ice Queen: Freeze-burn combos deal massive damage

2. Damage Amplifiers

Song Jinwu: Shadow soldiers distract while Mereoleona burns
Yehowach (Almighty): Status immunity protects key positions
Ackers (Ken): Bleed + burn creates devastating DOT

3. Support Units

Bolm: Extra resources for faster upgrades
Scholar units: Accelerate Mereoleona’s leveling
Healers: Sustain during risky Hellfire phases

Sample Team Compositions

Boss Killer Squad:

Mereoleona (Main DPS)
Divalo (Slow support)
Song Jinwu (Additional DPS)
Healer unit
Tank/Crowd control

Infinite Mode Marathon:

Mereoleona (Early carry)
Bolm (Economy)
2x Crowd control
Flexible 5th slot

2026 Advanced Tips & Strategies

Hellfire Incarnate Management

The 30-Second Rule: Toggle OFF after 30 seconds to prevent excessive range loss
Burn Counting: Track burning enemies mentally – 5+ means massive range boost
Boss Timing: Save toggle for when bosses reach 50% HP
Reset Positioning: Deactivate → Reposition → Reactivate for optimal placement

Maximizing Damage Output

Burn Stacking: Focus same targets to build enhanced burn multiplier
Wave Clustering: Use environment to group enemies
Ability Rotation: Time toggles with enemy spawn patterns
Upgrade Priority: Max damage > Range > Attack speed

Common Mistakes to Avoid

Leaving Hellfire Incarnate on too long (range becomes unusable)
Placing Mereoleona in back lines (wastes her tankiness)
Not evolving before attempting hard content
Ignoring burn synergies with team composition
Using her in freeze-heavy teams (contradicts burn strategy)

World Lines & Endgame Performance

Mereoleona in World Lines

With the new Floor 50 cap, Mereoleona excels at:

Floors 20-35: Primary DPS with proper support
Floors 35-45: Excellent secondary DPS
Floors 45-50: Situational pick for burn-weak enemies

Raid Effectiveness

Spider Queen: ⭐⭐⭐⭐⭐ (Burn melts her massive HP)
Ice Dragon: ⭐⭐ (Type disadvantage)
Shadow Lord: ⭐⭐⭐⭐ (Good consistent damage)
Mechanical Titan: ⭐⭐⭐ (Average performance)

Summer Event Optimization

Ice Tea Farming with Mereoleona

Clear speed: 2-3 minutes per portal run
Optimal wave: Stop at Wave 15 for efficiency
Daily farming: 500-700 Ice Tea achievable
Use Summer Shop for evolution materials

Event Currency Priority

Evolution materials for Leo
Trait rerolls
Stat chips
Cosmetic items (if desired)

Frequently Asked Questions

Is Mereoleona still available after the event?

No, Mereoleona is exclusive to the Lion’s Arrival summer event. Once the 30-day event ends, she becomes unobtainable until potentially returning in future events.

Can I get multiple copies of Mereoleona?

No, you can only obtain one copy per account through the event. However, you can use universal shards to upgrade her stats.

Is Leo (Fangs) better than base Mereoleona?

Absolutely! The evolution provides significant stat boosts, immunity to crowd control, and enhanced burn mechanics that make her competitive with mythic units.

What’s the best way to use Hellfire Incarnate?

Toggle it ON for 20-30 seconds during high-density waves or boss encounters, then OFF to reset. Never leave it active for entire matches.

Does Mereoleona work in PvP modes?

While primarily designed for PvE, her burst damage and burn spreading make her viable in certain PvP compositions, especially against tank-heavy teams.

Can burn damage critical hit?

No, burn damage cannot crit, but the initial attacks that apply burn can critical hit, making crit traits still valuable.

Is Mereoleona worth prioritizing over banner units?

For F2P players, absolutely! She’s guaranteed, powerful, and costs zero gems. Even paying players should grab her for the unique mechanics.

How does she compare to other DPS units?

In terms of pure damage potential, a well-positioned Mereoleona rivals S-tier units like True Bankai and Vasto Lorde, especially against stationary targets.

Conclusion

Mereoleona represents everything great about Anime Vanguards Update 7.5 – accessible power with skill-based mechanics that reward smart play. Between her unique scaling system, interactive burn synergies, and completely free acquisition, there’s no excuse not to add this fiery powerhouse to your roster.

The Lion’s Arrival event won’t last forever, so start grinding those objectives today! With proper positioning and toggle management, Mereoleona can carry you through content that would normally require multiple mythic units. She’s not just a free unit – she’s a game-changer that proves Anime Vanguards rewards dedication over deep pockets.

Master her Hellfire Incarnate timing, build the perfect team around her burning presence, and watch as even the toughest enemies melt before the Uncrowned Lioness. See you on the battlefield, and may your burns always spread!

Ready to power up even more? Check out our Anime Vanguards Codes guide for free gems and resources to enhance your Mereoleona and build the ultimate defense squad!