Last Z: Survival Shooter Research Trees

Hero Training

39.6K badges to max

Unlock hero bonuses, extra troop slots per hero, and faction-specific combat upgrades.

Military Strategies

79.8K badges to max

Core combat stats: troop attack, defense, and HP. First tree to prioritize for new accounts.

Fully Armed Alliance

492.9K badges to max

Alliance combat bonuses including Annihilation, Peace Breaker, and troop size expansion.

Alliance Recognition

356.8K badges to max

Gathering bonuses, event score multipliers, and production line expansion for alliance activities.

Peace Shield

267.6K badges to max

Defensive upgrades including Auto Repair, Urgent Rescue (fewer troop deaths in PvP), and shield mechanics.

🔒 50% Fully Armed Alliance + 45% Military Strategies

Siege to Seize

267.4K badges to max

Assault technologies: Load Module, Demolition Crew, Joint Operations, and Mobile Operations.

🔒 40% Military Strategies

Army Building

632.5K badges to max

Advanced troop formation bonuses, Recharge Shield, and faction attack/defense upgrades.

🔒 100% Peace Shield

Field

594.4K badges to max

Battlefield combat upgrades including the Recharge Shield path. Leads to T10 troop path.

🔒 100% Siege to Seize

Unit Special Training

1.49M badges to max

The T10 troop path. 1.48M badges to fully unlock Tier 10 units — the strongest troops in the game.

🔒 Laboratory Level 30