A-star is a versatile and reliable character in All Star Tower Defense X, offering balanced stats and valuable support abilities. As a mid-to-high tier unit, A-star provides excellent value for players building their defensive阵容 and can be a cornerstone of many successful strategies.
Damage per second
Attack interval time
Radius (unit distance)
Base health points
A-star possesses four well-balanced skills that provide both offensive and defensive capabilities:
Releases an icy blast that deals 180% damage to enemies in a wide area and slows them by 30% for 3 seconds.
Effect: Area damage + Group slow
Cooldown: 18 seconds
Increases the attack power of all allies within range by 25% for 10 seconds. Stacks with other A-star units.
Effect: Team attack boost
Cooldown: 22 seconds
Creates a shield around nearby allies that absorbs 200 damage for 8 seconds. Can protect up to 4 allies.
Effect: Team protection
Cooldown: 25 seconds
Teleports to a selected location within range, allowing repositioning during combat. Can be used to escape or reposition for better coverage.
Effect: Mobility + Tactical repositioning
Cooldown: 30 seconds
Maximizing A-star's potential requires understanding its support role and positioning:
| Enemy Type | A-star Advantage | Strategy | Effectiveness Rating |
|---|---|---|---|
| Flying Units | Full coverage attack | Position centrally to cover flying unit paths | |
| High HP Bosses | Team damage amplification | Combine with high-damage characters, use Power Amplifier | |
| Fast Units | Crowd control effects | Use Frost Nova to slow groups, reposition as needed | |
| Group Minions | Area control + Team support | Place centrally to maximize area coverage and team buffs |
A-star has three evolution paths, each enhancing different aspects of its abilities:
Unlocked at Lv.5
Unlocked at Lv.10
Unlocked at Lv.15
| Evolution Path | Core Enhancement | Recommended Mode | Resource Cost |
|---|---|---|---|
| Support Path | +35% Buff Effectiveness, +1 Ally Target | Team-based Modes, Co-op Challenges | ⭐️⭐️⭐️ |
| Control Path | +40% Slow Effect, Extended CC Duration | Survival Mode, Crowd Control Focus | ⭐️⭐️⭐️⭐️ |
| Defense Path | +60% Shield Strength, +30% Ally Defense | High Difficulty Levels, Defensive Strategies | ⭐️⭐️⭐️⭐️ |
Defensive Strategist
"A-star is my go-to support character! The Power Amplifier skill makes my entire team devastating, and Protective Barrier has saved my frontline units countless times. Much more accessible than S-tier characters but still incredibly powerful."
Team Composition Expert
"The Strategic Relocation skill is a game-changer! Being able to reposition during battles gives me so much flexibility. Paired with Frost Nova for crowd control, A-star is essential for any serious player's roster."
A-star can be obtained through the following methods:
| Resource | Lv.1-5 | Lv.6-10 | Lv.11-15 |
|---|---|---|---|
| Gold | 8,000 | 22,000 | 50,000 |
| Gems | 30 | 90 | 180 |
| Trait Burners | 3 | 10 | 20 |
| Evolution Cores | 1 | 2 | 4 |