If you’re serious about progressing in All-Star Tower Defense (ASTD), then 6-star units are your backbone. These upgraded units represent the strongest characters in the game, often featuring devastating abilities, map-wide attacks, and powerful buffs that can completely change your gameplay strategy. But not all 6-star units are created equal.
Some dominate infinite mode, others shine in raids, and a few are essential for story progression. In this comprehensive guide, we break down the 6 best 6-star units in ASTD, ranked by performance, versatility, and overall value in 2026.
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What Makes a 6-Star Unit “The Best”?
Before diving into the rankings, let’s define what separates top-tier units from average ones:
- Damage Output (DPS): High burst or sustained damage
- Range & AoE: Ability to hit multiple enemies or entire paths
- Utility: Buffs, debuffs, time-stop, or slowing abilities
- Cost Efficiency: Value relative to deployment and upgrade cost
- Versatility: Performance across different modes (Story, Infinite, PvP)
S-Tier: Absolute Meta 6-Star Units
These are the best of the best—units that can carry entire runs.
1. The Strongest One (Saitama)
Inspired by Saitama
- Type: Ground / Single Target
- Strength: Infinite damage scaling (one-shot potential)
- Best Mode: Infinite
Why it’s top-tier:
Saitama is arguably the most powerful unit in ASTD due to his insane damage scaling. While expensive and slow to upgrade, he becomes nearly unstoppable once maxed.
Pro Tip: Pair him with farm units like Bulma to reach full potential faster.
2. Broly (Super)
Inspired by Broly
- Type: AoE Cone
- Strength: Massive AoE damage
- Best Mode: Story + Infinite
Why it’s top-tier:
Broly offers one of the highest AoE damage outputs in the game. His cone attack clears waves efficiently, making him essential for crowd control.
3. Erwin (Commander)
Inspired by Erwin Smith
- Type: Support
- Strength: Damage buff for all units
Why it’s top-tier:
Erwin is not about dealing damage—he multiplies it. His buff ability dramatically boosts your entire team’s DPS.
Essential: Almost every high-level strategy includes Erwin.
4. Naruto (Six Paths)
Inspired by Naruto Uzumaki
- Type: Hybrid AoE
- Strength: High DPS + clones
Why it’s top-tier:
Naruto combines serious damage with clone mechanics, allowing him to cover multiple lanes or stack damage.
A-Tier: Extremely Powerful but Situational
These units are excellent but may require synergy or specific strategies.
1. Goku (Ultra Instinct)
Inspired by Goku
- High attack speed
- Strong single-target DPS
- Great for bosses
Drawback: Limited AoE
2. Light Yagami (God)
Inspired by Light Yagami
- Unique map-wide damage ability
- Great for late-game clearing
Drawback: Long cooldowns
3. Gojo (Infinity)
Inspired by Satoru Gojo
- Time-stop ability
- Strong burst damage
Why useful:
Perfect for delaying enemies and saving runs in tough waves.
4. Jotaro (Time Stop)
Inspired by Jotaro Kujo
- Time-stop mechanics
- Good damage scaling
Best use:
Support + clutch situations in Infinite Mode.
B-Tier: Solid but Replaceable
Good units, but often outclassed by stronger options.
1. Ichigo (Final Form)
Inspired by Ichigo Kurosaki
- Balanced stats
- Decent AoE
Weakness: Lacks specialization
2. Luffy (Gear 4)
Inspired by Monkey D. Luffy
- Strong early-mid game
- Good attack range
Weakness: Falls off in late-game infinite
3. Tanjiro (Sun Breathing)
Inspired by Tanjiro Kamado
- Burn damage
- Solid DPS
Weakness: Not top-tier compared to meta units
Best Support 6-Star Units
Support units are just as important as damage dealers.
Bulma (Super Money Unit)
Inspired by Bulma
- Generates massive income
- Essential for Infinite Mode
Why important:
No money = no upgrades = no win.
Speedwagon
Inspired by Robert E. O. Speedwagon
- Strong early-game economy
- Helps fast scaling
Best 6-Star Units For Each Mode
Story Mode
- Broly (Super)
- Naruto (Six Paths)
- Luffy (Gear 4)
Infinite Mode
- Saitama (The Strongest One)
- Erwin (Commander)
- Bulma
Raid Mode
- Gojo (Infinity)
- Jotaro (Time Stop)
- Light Yagami
Tips To Maximize Your 6-Star Units
1. Always Bring a Farm Unit
Without economy units like Bulma, you’ll struggle to afford upgrades.
2. Balance AoE and Single Target
- AoE clears waves
- Single-target melts bosses
3. Use Buffs Strategically
Erwin’s buff timing can double or triple your damage output.
4. Upgrade Smartly
Don’t rush max upgrades—spread your resources early game.
How To Get 6-Star Units in ASTD
- Evolution from 5-star units
- Summoning banners
- Events and raids
- Trading (if available)
Grinding is essential, so patience pays off.
Frequently Asked Questions (FAQs)
1. What is the best 6-star unit in ASTD?
The Strongest One (Saitama) is widely considered the best due to his unmatched damage scaling.
2. Which 6-star unit is best for beginners?
Broly (Super) is beginner-friendly thanks to his strong AoE and ease of use.
3. Are Support units necessary?
Yes. Units like Erwin and Bulma are critical for high-level gameplay.
4. How long does it take to get a 6-star unit?
It depends on grinding and luck, but typically takes several hours to days.
5. Can I win without 6-star units?
Yes, but it becomes significantly harder in later stages.
6. What is the best team setup?
A balanced team includes:
- 1 farm unit (Bulma)
- 1 buffer (Erwin)
- 2 AoE DPS units
- 1 boss killer (Saitama or Goku)
Final Thoughts
6-star units define the meta in All-Star Tower Defense. Whether you’re pushing infinite waves or clearing story missions, choosing the right combination of units can make or break your run.
Focus on building a balanced team, invest in top-tier units like Saitama and Erwin, and always prioritize strategy over brute force.
If you stay consistent and optimize your lineup, you’ll dominate ASTD in no time.