All Star Tower Defense X Tier List [UPD 6] Best Units June 2026

Ready to dominate All Star Tower Defense X with the most powerful anime units in Update 6? I’ve spent countless hours testing every single character in the latest patch, and I’m bringing you the definitive tier list that’ll transform your defensive strategies. Whether you’re hunting for the newest meta units or optimizing your existing roster, this comprehensive guide reveals exactly which heroes deserve your gems and upgrade materials.

Update 6 dropped on June 2026, completely reshaking the meta with balance changes and new evolution paths. After extensive testing in both Infinite and Progressive modes, I’ve ranked every unit based on their performance across all game modes. Let’s dive into what makes each tier special and which units you should prioritize.

Quick Overview: Understanding the ASTDX Tier System

Before we jump into the rankings, here’s a quick breakdown of what each tier represents in All Star Tower Defense X:

Meta Tier Units – The Absolute Best

These units define the current meta and should be your top summoning priority:

Dark Wing

The undisputed king of AoE damage, Dark Wing continues to dominate Update 6 with:

• Massive full AoE coverage
• Incredible range scaling
• Perfect synergy with damage traits
• Essential for Infinite Mode progression

Michishibo

Michishibo deals massive AoE damage and has the highest one-shot damage potential in the game. Key strengths include:

• Unmatched bleed damage mechanics
• Devastating critical hits
• Top-tier DPS output
• Excellent for boss waves

Spider Boss

A versatile powerhouse that excels in:

• Consistent damage output
• Strong crowd control abilities
• Flexible placement options
• Great for all game modes

Jin Sung

The newest addition to the meta tier brings:

• Exceptional bleed damage
• High base stats
• Strong evolution potential
• Perfect for late-game content

Other Meta Units

• Magma Marine – Unmatched AoE burn damage
• Etri – Balanced stats with massive DPS
• Zorro – Excellent range and AoE coverage
• Spade – Transformation mechanics
• Ziek (Beast Giant) – Incredible damage scaling
• Killer (Serious) – Evolution powerhouse
• Onwin – Support capabilities with damage

SS Tier – Nearly Perfect Units

These units are just a step below meta but still incredible choices:

Nighty

• Quick attack speed
• Solid DPS output
• Enhanced stats during night time
• Affordable upgrade path

King Kaoe

Even though King Kaoe has the lowest DPS in the game, he can buff your entire team by 75%, making him essential for team compositions.

Venus

• Excellent range capabilities
• Strong AoE damage
• Versatile placement options
• Great for beginners

The Strongest One

• High overall stats
• Powerful abilities
• Strong late-game scaling
• Worth the investment

Other SS Tier Units

• Ikki (Hollow) – Infinite range potential
• Water Goddess – Crowd control specialist
• Borul/Super Borul – Massive DPS output
• Super God Koku – Balanced powerhouse
• Airren – Strong summoner unit
• Xerxes – Utility and damage
• Blackstache – Consistent damage dealer
• Xero – Meta support unit

S Tier – Excellent All-Around Units

The S tier includes highly effective units that can carry you through most content:

Ramen Grill Master

One of the best money units in All Star Tower Defense X, essential for early game economy.

Shirtless Magician

• Freeze abilities for crowd control
• Decent range and positioning
• Good starter unit
• Synergizes well with DPS units

Mercury Guardian

• Balanced stats across the board
• Reliable damage output
• Good evolution path
• Versatile team member

Other S Tier Units

• Kujo – High DPS, limited range
• Slayer Mage – Meta unit for Infinite Mode
• Explosion Artist – Great AoE damage
• Alligator – Solid all-rounder
• Mysterious X – Stun specialist
• Yuni – Very high DPS
• Shark Ninja – Versatile attacker
• Silent Swordsman – Consistent damage
• Zaruto (Beast Mode) – Transformation unit
• Whitestache – Full AoE coverage

A-B Tier Units – Situational Picks

These units excel in specific scenarios but aren’t universal choices:

A Tier Highlights

• Super Koku – Decent evolution of base Koku
• Ikki (Halfmask) – Good DPS, long SPA
• Nezichi – High single-target damage
• Vego (Mind) – Solid DPS unit
• Janji – Great burn damage for 4-star

B Tier Notables

• Stampede – Good range, poor SPA
• Kosuke (TS) – Great for story mode
• The Cursed One – Unique damage mechanics
• Zio Brundo – Massive DPS potential

C-D Tier – Replace When Possible

These units should only be used when you have no better options:

C Tier

Basic units like Kosuke, Ikki (Early), Zaruta, Ruffy, and Koku that can help in early game but quickly become obsolete.

D Tier

The weakest units including Captain, Anti Magician, Humble-Swordsman, Uru, and Spirit Detective. Replace these immediately.

Best Traits for Your Units

To maximize your units’ potential, focus on these top-tier traits:

How to Obtain Units?

The majority of available units in ASTDX are only available through summoning. Here’s how to maximize your chances:

1. Use Gems Wisely – Save for rate-up banners
2. Banner System – X and Y banners rotate every 60 minutes
3. Pity System – Guaranteed better drops after multiple summons
4. Free Resources – Use All Star Tower Defense X codes for free gems

Summoning Tips:

• Single summon costs 50 gems
• 10x summon costs 450 gems (saves 50 gems)
• Check banner index before summoning
• Wait for desired units to appear

Team Building Strategies

Success in ASTDX isn’t just about individual units – it’s about synergy:

Balanced Team Composition

• 2-3 Main DPS units (Meta/SS tier)
• 1-2 Support units (King Kaoe, Xero)
• 1 Money unit (Ramen Grill Master)
• 1 Crowd control unit (Mysterious X, Ice Queen)

Game Mode Specific Teams

Infinite Mode:

• Focus on AoE units like Dark Wing and Michishibo
• Include range units like Etri
• Add supports for damage multiplication

Progressive Mode:

• Balance between single-target and AoE
• Include transformation units
• Money units essential early game

Evolution and Upgrade Priority

Focus your resources on units in this order:

1. Meta tier units – Max these immediately
2. Your main DPS – Should always be highest level
3. Key supports – King Kaoe needs levels for better buffs
4. Utility units – Level as needed

For detailed mission rewards and progression tips, check our ASTD X Mission Guide.

What Makes Units Strong in Update 6?

Before we jump into the full tier list, it’s important to understand the factors used to evaluate each unit:

• Stats – DPS, range, and SPA (seconds per attack)
• Attack Type – AoE coverage (line, full, cone)
• Abilities & Passives – Stun, burn, bleed effects
• Utility & CC – Support roles and crowd control
• Evolution & Teaming – Synergy with other units
• Element Matchups – Type advantages in certain modes

Frequently Asked Questions

Conclusion

If you’re just getting started with All Star Tower Defense X, focus on unlocking units from the S+ and S tiers first. They offer the best return on investment and will carry you through most content. Remember that team synergy and proper trait optimization often matter more than individual unit strength.

This tier list will continue evolving with new updates, so bookmark this guide and check back regularly. For more resources, don’t forget to redeem the latest ASTDX codes and explore our Update 5 guide for additional strategies.

Whether you’re defending against endless waves or competing in PvP ranked arena, understanding the meta and building around top-tier units is crucial for success. May your summons be legendary and your defenses unbreakable!

Last Updated: June 2026 – Verified after Update 6 release