Creating the ultimate team in All Star Tower Defense X requires knowledge of the best units. Each update brings more anime-inspired characters and their evolutions in the tower defense game, requiring you to adapt to the changing meta. This adaptability is crucial for both progressing in the Story as well as for completing tougher levels such as Trials and Dungeons.
This tier list ranks all the ASTDX units, so that you can prioritize obtaining and using the best during your gameplay.
Ranking all units in All Star Tower Defense X
All units in All Star Tower Defense X have been categorized into four tiers according to their utility and powers.
S tier

The S tier includes all the most effective units in All Star Tower Defense X. They can defeat the strongest waves with ease, provided that they are leveled up, upgraded, and assigned the best Traits. As expected, they are exceptionally rare, possessing low drop rates in Summon Banners and Trials.
Unit | Rarity | Availability |
Spider Boss | Unbound | X Banner |
Michishibo | Unbound | Y Banner |
Magma Marine | Unbound | Trial Shop and Trial 2 |
Etri | Unbound | Trial Shop and Trial 1 |
Super Borul | 5-star | Evolve Borul |
Dark Wing | 5-star | Summon Banners |
Killer (Serious) | 5-star | Evolve Killer |
Ziek (Beast Giant) | 5-star | Summon Banners |
Venus | 5-star | X Banner |
Spade | 5-star | Summon Banners |
A tier

This tier features all the units that are slightly less effective than those in the S tier. Nonetheless, they are reliable units that can help you clear Trials and Expert difficulty stages if you deploy and upgrade them strategically.
Unit | Rarity | Availability |
Killer | 5-star | Summon Banners |
Alligator | 5-star | Summer Shop and Summer Raid |
Blackstache | 5-star | Summon Banners |
King Kaoe | 5-star | Summon Banners |
Onwin | 5-star | Summon Banners |
Super God Koku | 5-star | Evolve Super Koku |
Zorro | 5-star | Summon Banners |
The Strongest One | 5-star | Summon Banners |
Whitestache | 5-star | Summon Banners |
Jin Sung | 5-star | Summon Banners |
Airren | 5-star | Summon Banners |
Silent-Swordsman | 5-star | Fireworks (Limited-unit) |
Ikki (Hollow) | 5-star | Evolve Ikki (HalfMask) |
Kujo | 5-star | Infinite Mode - Void Bags |
Xerxes | 5-star | Ranked Shop |
Slayer Mage | 5-star | Y Banner |
Shark Ninja | 5-star | Fireworks |
Mysterious X | 5-star | Summon Banners |
Shirtless Magician | 5-star | Summon Banners |
Xero | 5-star | Summon Banners |
Ikki (HalfMask) | 4-star | Summon Banners |
B tier

The B tier consists of those units that are selectively effective. They offer powerful team-up abilities, decent AoE skills, or decent support to DPS units. However, there are better alternatives available in the game.
Unit | Rarity | Availability |
Explosion Artist | 5-star | Summon Banners |
Water Goddess | 5-star | Dungeon Loot Bag |
Nighty | 5-star | Premium Capsule |
Yuni | 5-star | Summon Banners |
Zaruto (Beast Cloak) | 5-star | Evolve Zaruto (Sage) |
Humble Swordsman (Selection) | 4-star | Summon Banners |
Anti Magician (Demon) | 4-star | Evolve Anti Magician |
Nezichi | 4-star | Summon Banners |
Mbappe (Copycat) | 4-star | Summon Banners |
Neymar (Trapper) | 4-star | Summon Banners |
Vegu (Mind) | 4-star | Evolve Vegu |
Super Koku | 4-star | Summon Banners |
Ramen Grill-Master | 4-star | Summon Banners |
Koro (Lobby) | 4-star | Evolve Koro |
Koku | 3-star | Summon Banners |
Ice Queen | 3-star | Summon Banners |
Janji | 3-star | Summon Banners |
C tier

Units in this tier are an afterthought. There are far superior alternatives to them in this Roblox experience. However, you must be familiar with their abilities, since they could be given to you during the "Random Units" Challenge.
Unit | Rarity | Availability |
Zaruto (Sage) | 4-star | Summon Banners |
Gen | 4-star | Summon Banners |
Dual Servant | 4-star | Summon Banners |
Kosuke (TS) | 4-star | Evolve Kosuke |
Stampede | 4-star | Summon Banners |
Ruffy (Lobby) | 4-star | Evolve Ruffy |
Vegu | 3-star | Summon Banners |
Ruffy | 3-star | Summon Banners |
Koro | 3-star | Summon Banners |
Borul | 3-star | Summon Banners |
Zio Brundo | 3-star | Summon Banners |
Jon Jo | 3-star | Summon Banners |
Captain | 3-star | Summon Banners |
Kosuke | 3-star | Summon Banners |
Ikki (Early) | 3-star | Summon Banners |
Spirit Detective | 3-star | Summon Banners |
Uru | 3-star | Summon Banners |
Lami | 3-star | Summon Banners |
Humble Swordsman | 3-star | Summon Banners |
After getting the most powerful units, use Stat Dices and Trait Burners to give them the best stats and perks. Moreover, ascend or evolve them (if any) to improve their overall potential.
Also check: All Star Tower Defense X: A beginner's guide
FAQs on All Star Tower Defense X
How do I get more units?
You can get more units by using Gems in the Summon Banners and by completing Trials and Dungeons.
What are Unbound units?
Unbound is the highest rarity in the game. Units belonging to this category are incredibly powerful, possessing attacks that inflict notable debuffs on enemies.
How can I ascend or evolve units?
You can ascend or evolve units by getting specific materials and currency. To check them, click the unit in the Loadout menu, and then select "Ascend" or "Evolve" below their image.
Why did you not like this content?
- Clickbait / Misleading
- Factually Incorrect
- Hateful or Abusive
- Baseless Opinion
- Too Many Ads
- Other
Was this article helpful?
Thank You for feedback
About the author
Edited by Angad Sharma