Merge a Mini Army: All Units & Tier Levels

This article explains how the “Merge a Mini Army” game works, specifically detailing all unit types and their tier levels. You will learn what each unit does, how tier progression affects stats, and how to build a balanced army for different game modes.

Formula

The core formula for merging units in Merge a Mini Army is straightforward: two units of the same tier and type combine to create one unit of the next tier. The stat multiplier per tier is typically 2.2x for attack and 2.0x for health, though this varies slightly by unit type. The general formula for a unit’s power at tier n is:

Power(n) = Base Power × (Tier Multiplier)^(n−1)

Where:

• Base Power is the unit’s level 1 attack or health value.
• Tier Multiplier is the growth factor (usually 2.0–2.5).
• n is the tier level (1 through 8).

Worked Example

Using the default values from the calculator above (finish time 50 minutes, distance 10 km), the average pace is calculated as 50 ÷ 10 = 5.0 min/km. The average speed is 10 ÷ (50/60) = 12.0 km/h. These are the outputs you see in the calculator block. For the merge formula, if a level 1 Archer has 10 attack and the tier multiplier is 2.2, then at tier 3 the attack would be 10 × (2.2)^2 = 48.4, rounded to 48.

All Unit Types

There are six main unit types in Merge a Mini Army, each with a distinct role:

• Warrior – Melee, balanced stats, good frontline.
• Archer – Ranged, high attack, low health.
• Mage – Splash damage, slow attack speed.
• Knight – Tanky, high health, moderate attack.
• Healer – Restores health to nearby units.
• Assassin – Fast, high single-target damage.

Tier Levels Explained

Units progress from Tier 1 to Tier 8. Each tier doubles the unit’s base stats (approximately) and changes its appearance. The tier levels are:

1. Tier 1 – Recruit: basic stats, no abilities.
2. Tier 2 – Soldier: slight stat increase.
3. Tier 3 – Veteran: first ability unlock (e.g., critical hit).
4. Tier 4 – Elite: improved ability, +50% stats.
5. Tier 5 – Champion: new visual, area effect.
6. Tier 6 – Hero: strong passive aura.
7. Tier 7 – Legend: devastating active skill.
8. Tier 8 – Mythic: ultimate stats, unique skin.

How to Choose Which Units to Merge

Your choice depends on your strategy and the game mode. For PvE (campaign), a balanced mix of Warriors and Archers works well. For PvP (arena), you might prefer Assassins to quickly eliminate enemy backline. Healers are essential in long battles but less useful in quick skirmishes. Always prioritize merging your highest-tier units first, because a single Tier 5 unit often outperforms two Tier 4 units of the same type.

Common Mistakes and How to Avoid Them

• Merging too early – Sometimes it’s better to keep two lower-tier units for coverage. Don’t merge if you need more units on the field.
• Ignoring unit synergy – A team of all Archers will die quickly. Mix ranged and melee.
• Not using the merge calculator – The calculator above helps you plan your merges by simulating stat growth.
• Forgetting to upgrade the army camp – Higher camp levels allow higher tier merges.

Comparing Unit Types

In terms of raw damage, Assassins have the highest single-target DPS, but they are fragile. Mages deal splash damage but are slow. Knights have the best survivability. Healers have no attack but can sustain your army. Warriors are the most balanced. The tier multiplier is consistent across types, so a Tier 8 Warrior is roughly as strong as a Tier 8 Knight in health, but the Knight has more health while the Warrior has more attack.

Frequently Asked Questions

What is the maximum tier level?

The maximum tier is 8 (Mythic). You cannot merge beyond that. Once you have two Tier 8 units, they cannot be combined further.

Do tier levels affect all stats equally?

No. Attack and health grow at slightly different rates depending on the unit type. For example, Archers gain more attack per tier than health, while Knights gain more health.

Can I merge different unit types?

No, you can only merge two identical units of the same type and same tier. A Warrior and an Archer cannot be merged.

Is there a downside to merging?

Yes, merging reduces your total unit count. If you have limited space on the battlefield, fewer but stronger units might be better, but in some modes, numbers matter more than individual strength.

How do I get higher tier units without merging?

You can sometimes recruit higher-tier units directly from the summoning portal, but they are rare. Merging is the most reliable method.

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in t | Finish time | min | 50 | 0
in d | Distance | km | 10 | 0
out pace | Average pace | min/km | t / d | 2
out speed | Average speed | km/h | d / (t / 60) | 2