Last Shelter: War Z Combat Power Growth Guide

To increase your Combat Power (CP) efficiently in Last Shelter: War Z, direct your resources into five primary systems: main hero development, constant troop production, combat tech research, alliance support, and Headquarters-focused building upgrades.

Growth Focus	Primary Priority	Key Strategy
Hero Development	EXP and skills for primary combat heroes	Focus damage skills on main march units before secondary heroes
Troop Production	24/7 continuous barracks queues	Balance unit tiers with food/fuel, saving speed-ups for events
Tech Research	Combat stats (attack, defense, HP)	Target percentage-based unit buffs over gathering tech
Alliance Support	Assist timers and alliance tech	Reduce timers via member helps and collect alliance event items
Base Construction	Headquarters and prerequisite structures	Avoid upgrading non-essential buildings simultaneously

Focus Hero Development on Primary Squads

Hero leveling and skill upgrades provide an immediate boost to march power and base defense capabilities. To maximize early and mid-game progress, concentrate hero EXP items and stamina on a single primary combat squad rather than splitting investments across multiple secondary heroes.

Match Hero and Troop Types: Align hero skill investments with the specific troop types assigned to their march.
Prioritize Damage Output: Target skills that increase raw damage output first during growth phases rather than strictly defensive traits.
Consolidate Skill Points: Fully upgrade primary combat skills on your core heroes before unlocking secondary utility options.

Keep Barracks Training Queues Active

Troops make up a large portion of overall CP. To sustain steady growth, keep training grounds running continuously without leaving queues idle.

Maintain Maximum Queue Capacities: Queue the maximum number of troops allowed by your current base level.
Balance Resource Reserves: Produce unit tiers that keep your queues running continuously without completely exhausting food and fuel reserves.
Hold Speed-Ups for Events: Store training speed-up items to push massive unit batches during specific training events to gain extra reward milestones.

Prioritize Combat Research Over Resource Tech

Research compounding provides permanent percentage-based boosts to every unit in your base. While gathering speed tech helps short-term supply lines, combat-related node upgrades yield superior long-term power growth.

Focus the Research Lab on node trees that directly raise troop attack, defense, and health parameters. Keep the lab operating around the clock; if resources run short for a major combat tech upgrade, send gathering missions to fill the temporary gap rather than switching to lower-yield utility research.

Utilize Alliance Help and Event Rewards

Solo progression inherently limits construction and research speed. Joining an active alliance grants immediate access to help timers and alliance-wide technology passives.

Tap Help Timers: Request alliance aid on every construction and research project to shave hours off upgrade completion times.
Complete Daily Contributions: Fulfill daily alliance donation requirements to unlock shared technology bonuses.
Participate in Alliance Events: Join alliance events to secure speed-ups and rare materials required to cross high-level base upgrade thresholds.

Focus Construction on Headquarters Progression

Building upgrades should follow a single main path focused on increasing your Headquarters level rather than upgrading all base structures simultaneously.

Higher Headquarters levels unlock superior equipment, advanced research tiers, and higher-grade troop training facilities. Limit your active builders to the Headquarters itself, key resource production structures, and the exact building prerequisites required for the next Headquarters tier. Upgrade secondary structures only when mandatory research or unit unlocks demand them.