Last War: Development Tech Priorities and Squad 4 Unlock Path

To optimize account progression in Last War, prioritize Building Speed and Research Speed in the Development tech tree before routing your Tech Center directly toward unlocking Squad 4. Maxing every economic node early slows your progression; you should secure essential speed and logistical upgrades first, then conserve your gold and Valor Badges for squad branch prerequisites.

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Core Development Tech Priorities

The Development tree provides structural account bonuses, but basic resource production nodes (food, iron, and coin) offer diminishing returns compared to map gathering, radar tasks, and event rewards. Treat the tree as a targeted progression checklist rather than something to complete 100% early on.

Focus on these logistical and efficiency nodes:

• Research Speed I & II: Lowers the completion time for every future project across all tech trees.
• Building Speed I & II: Reduces construction timers on Headquarters upgrades and production buildings.
• Stamina Recovery: Accelerates passive stamina regeneration, providing more daily energy for radar tasks, world bosses, and zombie clears.
• Troop Load: Increases how many resources your marches carry back from resource nodes and target bases.
• Hospital Capacity and Healing Speed: Expands bed capacity and cuts recovery time, reducing permanent troop losses during server warfare.

Development Speed Node Comparison

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Why Squad 4 Is a Primary Progression Goal

Unlocking Squad 4 increases your maximum simultaneous marches from three to four, fundamentally changing your daily resource intake and event scoring capability:

• Operational Balance: A fourth march lets you deploy your primary squad for combat or rallies, assign a second squad to defense or assistance, and still keep two marches gathering resources on the map.
• Event Efficiency: Events such as Arms Race, Alliance Mobilization, and Warzone Duel reward simultaneous actions. Four marches allow you to clear multiple monster targets or gather points concurrently, completing milestones faster.
• Resource Scaling: Extra deployment slots reduce the downtime between gathering runs, generating the massive resource volume required for higher Headquarters levels.

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Resource and Badge Management

The research branches leading to Squad 3 and Squad 4 require heavy investments of gold and Valor Badges. Misspending these currencies on minor economic buffs will stall your military expansion.

1. Cap Secondary Nodes Early: Stop leveling low-impact Development nodes (such as basic production boosts) around level 5 or 6 if they start demanding millions of gold.
2. Conserve Valor Badges: Valor Badges represent a major bottleneck for advanced research. Reserve them strictly for prerequisite nodes required to open squad march slots.
3. Sync with Alliance VS: Time the completion of expensive, long-duration squad research nodes to finish on the Research Day of Alliance VS. This maximizes event point milestones to earn back speed-ups, gems, and badges.

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Recommended Research Path to Squad 4

Follow this sequence to unlock your fourth march queue without wasting research time:

1. Establish Base Speed: Research the accessible levels of Building Speed I and Research Speed I in the Development tree.
2. Clear Early Squad Gates: Research only the necessary prerequisite nodes in the Squad 1 and Squad 2 trees to unlock your base march requirements. Avoid over-investing in combat stats for secondary squads at this stage.
3. Open Squad 3: Complete the prerequisites in the Squad 3 branch to secure your third deployment slot.
4. Upgrade Infrastructure: Level your Headquarters and Tech Center to meet the structural unlock requirements for the Squad 4 tree.
5. Rush Squad 4 Prerequisites: Drive directly through the prerequisite line in the Squad 4 tree, ignoring optional branch offshoots until the fourth march slot is fully unlocked.
6. Backfill Combat Tech: Once four squads are active and gathering, return to upgrade primary squad combat stats, unit health, and specialized military trees.