Last War: Preparing for the Season 7 Return to Season 1 Format

To prepare for Season 7 in Last War, halt standard base speed-up spending and stockpile stamina, construction boosts, and alliance honor. Because Season 7 brings back the core viral infection mechanics of Season 1, raw squad power cannot bypass territory stat debuffs. Your immediate priority is leveling seasonal immunity structures, managing alliance land chains, and preserving march power for targets that match your virus resistance level.

Seasonal Infrastructure and Immunity Priorities

The returned Season 1 format centers on corrupt land tiles, mutant zombies, and environmental infection thresholds. If your squads attack corrupt targets without meeting the required virus resistance, they suffer flat percentage debuffs to attack, defense, and march speed. These penalties can reach up to 80%, causing catastrophic troop losses even for high-power squads led by heroes like Murphy, Kimberly, or DVA.

Upgrade your seasonal facilities in this order the moment the map opens:

Virus Research Institute: Treat this as your primary bottleneck. It generates the direct immunity points needed to challenge higher-tier land tiles and mutant threats.
Protein Farms: Build and upgrade these plots immediately to generate the protein income required for continuous viral research.
Chemical Production Facilities: Upgrade these secondary buildings to supply materials for alliance structure construction and outpost upkeep.

Higher-tier corrupt tiles produce superior hourly yields. Rushing immunity structures allows you to secure higher-level plots earlier, out-scaling players who prioritize standard base tech queues over seasonal facilities.

Alliance Territory Expansion and Tile Caps

Alliance movement in the Season 1 framework relies entirely on contiguous, connected territory. Alliances cannot teleport across the map to contest objectives without an unbroken chain of captured tiles leading to them.

Every player operates under a personal tile cap. As your alliance pushes forward toward higher-level sectors, checkpoints, and strategic cities, take the following steps:

Prune low-tier tiles: Regularly abandon level 1 and level 2 land parcels to free up personal capacity for level 5 and level 6 zones.
Maintain connected paths: Coordinate with alliance officers before abandoning tiles to ensure you do not break the continuous chain required for frontline banners and outposts.
Specialize squad roles: Send your strongest march only against tiles where your immunity meets or exceeds the zone requirement. Use secondary squads exclusively to build banners or clear low-threat ground.

Pre-Season Resource Preparation

Entering Week 1 with empty inventories forces you to rely on natural regeneration, allowing competing alliances to box in your starting sector. Hoard key consumable items during the final weeks leading into the launch:

Resource Type	Preparation Target	Primary Use in Week 1
Stamina Cans	Hoard 10-, 20-, and 50-point stamina items	Capturing initial land tiles and clearing first-kill mutant rewards
Universal Speed-Ups	Save 5-minute and 1-hour construction boosts	Skipping early timers on the Virus Research Institute
Alliance Honor	Bank coins in the alliance store	Buying territory relocation tokens and building buffs
Hero EXP Tokens	Save universal experience packages	Leveling secondary heroes assigned to territorial defense

Reserve all saved universal construction speed-ups for seasonal immunity buildings during the first 72 hours of the campaign. Using them on standard base development before launch delays your viral resistance progress and leaves your marches vulnerable to zone debuffs.