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Guide reviewed Sep 17, 2026Cross-check live season screen remains final
Season 4 · Dinosaur Origin

Last Z Season 4 Guide

Season 4 adds dinosaur-themed enemies and a denser event economy. The Last Z Hub plan focuses on Biotech resistance, Greenhouse income, Trade Hub timing, Dino Eggs, fossils, short boss windows, and enough healing capacity to survive major fights.

ThemeCretaceous jungle, dinosaurs, Trade Hubs, and alliance timing
Main objectiveBuild resistance, trade efficiently, collect fossils, and protect seasonal assets
First priorityBiotech Lab and Greenhouses, then high-value event and Trade Hub planning

What changes this season

  • Cretaceous Scales and Fern Leaves fund the seasonal building loop.
  • Trade Hubs create a diamond-sensitive shop economy that rewards planning before the window opens.
  • Ancient Dinosaur, Dino Egg Defence, fossils, and weekend shop systems add short recurring opportunities.

Resources and systems

  • Enemy drops: Cretaceous Scales
  • Passive income: Fern Leaves
  • Season buildings: Biotech Lab and Greenhouses
  • Event reserve: diamonds, Dino Eggs, fossils
Priority checklist

Push the Biotech Lab and Greenhouses until resistance supports stronger seasonal targets.

Save a protected diamond budget before Trade Hub shopping windows.

Set reminders for short boss events and coordinate alliance participation.

Clear hospital capacity and healing reserves before Volcano War or other heavy-loss events.

Common mistakes to avoid

Treating Trade Hub diamonds as ordinary daily spending.

Missing short Ancient Dinosaur windows.

Entering heavy seasonal combat without hospital room, healing resources, and alliance orders.

Hero planning

Yu Chan, Queenie, and Amber are the Season 4 headline faction carries in the current Last Z Hub roster.

Season names, timing, exact rewards, and feature rollout can differ by server or game build. Use the live in-game season panel as the final authority for your account.