Last Z State Migration Guide — Score, Tiers, Passes, and Requirements

Event Guide • Updated • 9 min read • Last Z Guides

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Quick Answer

State Migration first becomes available after Season 2—not after Season 1—and then returns after each following season. The event lets you move your existing account to an eligible state from the destination list shown for your server group.

Your Migration Score keeps its highest recorded value; lowering your current power does not lower it. Use the current event screen for your Identity Tier, pass cost, eligible states, quotas, and deadlines.

Before moving, secure an invitation if your tier requires one, collect enough Migration Passes, leave your alliance, step down if you are President, recall all troops, and make sure your Headquarters is not in combat.

When State Migration Opens

State Migration first becomes available after Season 2—not after Season 1. It returns after every following season, but it is not permanently open.

Each server group receives its own migration window and list of eligible destination states. Your event screen is the only reliable place to check:

A schedule from another server group may not apply to yours. Start preparing passes and destination contacts before the current season ends, then use the live countdown once the migration event appears.

For Server 403, the migration window between Season 3 Dinosaur Origin and Season 4 runs from September 25 at 00:00 to October 2, 2026 at 00:00, as displayed in the event. Other server groups may have different dates.

The Three State Migration Phases

PhaseWhat happensWhat you should do
Prep PhaseMigration assessment, destination states, classifications, tiers, and quotas become visible.Check your tier and pass requirement. Contact your preferred state and prepare a backup.
Invitation PhaseState Presidents can invite players. Intermediate, Advanced, and Elite players can submit Special Immigration Applications.Confirm that the destination has reserved the correct tier slot for you.
Free Migration PhaseRegular players can use an open Regular slot without an invitation. Other tiers still need an invitation or approved application.Move only after checking the remaining quota and every migration condition.

The duration of each phase can change. Follow the timer inside your current event instead of assuming that a previous migration’s schedule will repeat.

Invitations and applications expire after 24 hours. After rejection, another invitation or application cannot be sent for 20 minutes. Intermediate, Advanced, and Elite players can submit Special Immigration Applications during both Phase II and Phase III; the destination President must approve them.

Migration Score and Identity Tiers

The game lists Building Power, Tech Power, Hero Power, and Mod Vehicle Power among the inputs to Migration Score. It does not give their exact weights. Your score increases with power, never decreases, and keeps your best record.

Do not destroy troops or remove equipment to chase a cheaper tier: lowering current power will not undo a Migration Score you have already reached.

Server 403 thresholds: September 25–October 2, 2026

The Season 3 Dinosaur Origin → Season 4 migration round displays these ranges. Intermediate is the tier previously called Medium in this guide.

Identity TierDisplayed Migration Score range
Regular0–40.0M
Intermediate40.0M–80.0M
Advanced80.0M–160.0M
Elite>160.0M

These are the ranges displayed for this round, not universal thresholds. The labels overlap at exactly 40M and 80M, so use your displayed Identity Tier at either boundary.

When to Hold Upgrades Before Migration

If moving to your preferred state matters more than your next power increase, hold major upgrades before migration and keep the materials for after the move. Crossing into a higher Identity Tier can leave you competing for a scarcer slot, especially when several friends need to move together.

Keep collecting rewards while you save. Delaying an upgrade preserves the choice to use those materials after moving; reducing power afterward cannot roll back your score. Confirm your displayed tier and destination slot before committing to the move.

Use the Migration Score Calculator for a four-input estimate. It uses a different player-example model from the Server 134 formula below.

Community Estimate from Server 134

A community regression published by JHU570 of Server 134 on December 29, 2025 used seven accounts with screenshot-backed Technology Power, Modified Vehicle Power, and Migration Scores. Its best-fit estimate was:

Estimated Migration Score ≈ 0.7184 × Technology Power + 2.2779 × Modified Vehicle Power − 5,137,698

In this model, each point of Modified Vehicle Power carries about 3.17 times the weight of a point of Technology Power.

Example: 50,000,000 Technology Power and 10,000,000 Modified Vehicle Power produces an estimated Migration Score of 53,561,302.

MeasurePDF result
Baseline accounts7
Accounts within ~5%5
Excluded outliers2
Vehicle-to-Tech weight~3.17×
Recommended useRough estimate

The estimate matched five of the seven baseline accounts within about 5%. The other two accounts did not match their visible stats and were excluded as outliers. Within this small dataset, Troop Power and Hero Power did not show a stable relationship with Migration Score.

This small-sample estimate does not replace the game’s stated inputs or its highest-record rule. Use it only as a rough estimate, never to guarantee an Identity Tier or pass cost.

Migration Pass Costs

Identity TierMigration Passes
Regular10
Intermediate15
Advanced20
Elite50

In the September 25, 2026 Server 403 round, an account with 74.1M Migration Score is Intermediate and requires 15 passes. Its display of 20/15 means 20 owned and 15 required. Check your own event cost before buying passes.

The Glory Shop sells one Migration Pass per week for 5,000 Glory Badges.

That creates a long preparation window:

Limited paid Migration Pass packs may also appear during the event, but purchase limits can prevent a last-minute catch-up. If migration is a possibility, start buying the weekly Glory Shop pass well before the season ends.

Destination State Quotas

A standard destination state normally receives the following tier quotas:

Identity TierStandard State
Regular60
Intermediate40
Advanced5
Elite1

More restricted destinations—often shown as Flourishing or Semi-Open states—can receive tighter high-tier quotas:

Identity TierRestricted State Example
Regular60
Intermediate40
Advanced3
Elite0

At the start of each migration event, some states are classified as Fully Open or Semi-Open based on recent Migration Scores of active survivors. Fully Open states receive increased total slots; Semi-Open states receive fewer. Use the destination’s current quotas when coordinating a group.

Regular and Intermediate capacity is much larger than Advanced and Elite capacity. A destination can therefore accept a large active group while still having no room for another whale or high-tier account.

State Migration Requirements

Before pressing the migrate button, check every condition:

Leave your alliance only when your invitation, passes, destination, and timing are ready. Leaving too early can cost alliance rewards or event participation if the move is delayed.

How to Choose a Destination State

Do not choose a state only because it has the highest visible power or the biggest Elite player.

Check:

What to Send in a Migration Request

Contact your preferred alliance’s R4 or migration coordinator before invitation day. Ask how your target state handles selection instead of assuming the President chooses every applicant. Popular states may receive hundreds of inquiries, sometimes more than 1,000. Send one complete request early rather than repeated messages on invitation night.

Once Migration Assessment opens, send your exact displayed Migration Score and Identity Tier, preferred alliance, time zone, availability, and any friends who must move with you. Add your combat and Alliance Duel experience so recruiters can judge more than your score. If useful, offer a Warehouse screenshot to show how you prepare for Duel weeks. You may also share your usual monthly spending budget if you want the receiving team to understand your expected account growth; it is your choice, not a migration requirement.

Use one message and replace the brackets with your details:

Hi, I’m [in-game name] from State [number]. My Migration Score is [score] and my Identity Tier is [tier]. I’d like to join [alliance / acceptable alternatives]. I’m active at [times and time zone], and my combat and Alliance Duel experience is [brief details]. I’m moving [alone / with the attached group list]. My Discord contact is [handle].

For a group, include each player’s name, exact score, tier, and preferred alliance. Say whether you will move only if everyone gets a place. Keep the same in-game name during coordination, or tell your coordinator immediately if it changes.

After Migration Assessment, confirm the correct tier slot, receiving alliance, and contact person for each player. Keep a backup state ready: a changed tier, restricted destination, or another invitation occupying the last slot can disrupt the plan.

Agree with your contact when to be online on invitation day. Keep your Migration Passes ready, and leave your current alliance only when the move is close enough to avoid losing rewards if it is delayed. If your coordinator needs help locating your account in the game, send your base coordinates to that contact.

Planning Migration as a State or Alliance

Migration works better as a state-wide intake plan than as a private list controlled by one alliance.

Managing applicants for your state? Use the State Migration Planner to track tiers, reserved slots, alliance assignments, and follow-up status in one local board.

Open Migration Planner

A useful recruitment sheet should track:

Allocate scarce Advanced and Elite slots deliberately, but do not ignore active Regular and Intermediate players. Those tiers provide most of the available intake capacity and can add more daily activity, event participation, reinforcements, and future growth than one isolated high-power account.

A candidate’s activity and fit with the destination state matter alongside raw power. A strong account that refuses state rules or expects an entire alliance to reorganize around it can create more problems than it solves.

Coordinate Invitations Without Losing Track of the Group

  1. Use one board for the state. In the Migration Planner, record each candidate’s displayed score and tier, target alliance, coordinator, and Group / Move Together name.
  2. After Migration Assessment, check every group member against the available tier slots. Mark Slot Reserved only after leadership has agreed to allocate the place; the planner status does not reserve anything in the game.
  3. Agree when candidates should be online and whom they should contact. Before each invitation, have the coordinator and President check the player’s identity, score, tier, and receiving alliance against the board.
  4. Record Invited when the invitation is sent and Migrated after the move is confirmed. Notify the receiving alliance so it can welcome the player.

Ask candidates to send updates through their assigned coordinator. Keep the full recruitment list within the leadership team that needs it, and share each candidate’s arrival details with the receiving alliance.

What Happens After Migration

Your core account progress moves with you, including:

Your alliance does not move with your account. You must leave it before migrating and join or create an alliance after arriving.

State-specific roles and relationships also do not transfer. A President must step down before moving, and the destination state’s alliance placement, territory, rules, and leadership structure apply after arrival.

After a successful migration, a 30-day migration cooldown begins.

Event Changes After the Move

SystemAfter migration
State rankingsYou leave the original state’s rankings and enter the new state’s rankings.
ArenaYou enter Silver Arena in the first week. Peak Arena eligibility in the second week depends on your total hero power ranking.
Alliance DuelPersonal points reset and start accumulating again in the new state. Personal point chests refresh, so rewards can be claimed again after reaching the milestones. On migration day, you can contribute Duel Points to the first alliance you join.
Full PreparednessPersonal points reset and start accumulating again in the new state. Personal point chests refresh, and rewards can be claimed again after reaching the milestones.
Bounty MissionsUnaffected by migration.
Intercity TradeDispatched trucks finish their trips immediately. You can claim their rewards as soon as you enter the new state.
Peace ShieldA free Peace Shield activates automatically after migration.

State Migration Checklist

Before the event

  1. Buy the weekly Migration Pass for 5,000 Glory Badges.
  2. Research at least two possible destination states.
  3. Contact destination leadership.
  4. Avoid relying on an unofficial calculator as a guaranteed tier result.

After Migration Assessment

  1. Record your displayed Migration Score and Identity Tier.
  2. Confirm your exact pass cost.
  3. Check the destination’s classification and tier quota.
  4. Secure the required invitation or application approval.
  5. Confirm which alliance will accept you after the move.

Before pressing Migrate

  1. Make sure the destination slot is still available.
  2. Collect the full pass requirement.
  3. Step down if you are President.
  4. Leave your alliance.
  5. Recall every outgoing troop.
  6. End any combat state.
  7. Check the event timer one final time.
  8. Plan around the Alliance Duel and Full Preparedness personal-point resets.

After arriving

  1. Join your planned alliance first: it is the alliance you can contribute Duel Points to on migration day.
  2. Move to the correct alliance hive.
  3. Read the destination state’s NAP and internal attack rules.
  4. Confirm current Alliance Duel and State vs State expectations.
  5. Check that your resources, troops, heroes, research, and inventory are present.

Frequently Asked Questions

When does State Migration start in Last Z?

State Migration becomes available after every season, starting after Season 2. Exact dates are different for each server group and appear in the current migration event.

How is Migration Score calculated?

The game lists Building Power, Tech Power, Hero Power, and Mod Vehicle Power among the inputs, but does not publish their exact weights. Migration Score keeps your best record and does not decrease. Use the score shown in your current event.

Can I lower my Migration Score by killing troops or removing equipment?

No. The game states that Migration Score does not decrease and keeps your best record. Lowering current power will not undo a score you have already reached.

Can a Regular player migrate without the President’s invitation?

Yes, during Free Migration, if the destination has an open Regular slot and you meet the other migration conditions. During the Invitation Phase, Regular players need an invitation.

Can Intermediate, Advanced, or Elite players use Free Migration?

They still require an invitation or approved Special Immigration Application. Free movement without presidential approval is for Regular-tier players with an available Regular slot.

Does my alliance move with me?

No. Migration moves the player account, not the alliance. You must leave your current alliance before migrating and join or create an alliance after arriving.