How does Primal Dino Hatchery work in Last Z Season 4: Primal Dinosaurs?

In Season 4: Primal Dinosaurs, players collect Amber Fossils (roughly 25,000 per day for F2P players) to upgrade 4 progression branches in the Primal Dino Hatchery, requiring 1,830,000 total Amber Fossils to fully max.

What should I hoard for Season 4: Primal Dinosaurs in Last Z: Survival Shooter?

Universal Gold Hero Fragments: 975 Fragments (975 fragments maxes an S4 apex carry (Yu Chan, Queenie, or Amber) to 5-Star on Week 1 Heroes Day.) Exclusive Weapon Shards: 200 Shards (S4 heroes gain Crimson Dominion / Crimson Tide exclusive skills (+10-12% faction ATK & counter mitigation).) Courage Badges: 350,000 Badges (Finish Phase 3 & Phase 4 of T10 Troop Research (totaling 1.48M badges) to compete in S4 Apex brackets.) Fuel / Stamina Cans: 120 Cans (Required for Apex Tyrant Rallies and Amber Fossil excavation nodes during Week 1-2.) Mythic Gear Blueprints & Alloy: 50 Blueprints (Reforge main march Weapon and Boots to Mythic tier before S4 cross-server Canyon Clash.)

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Last Z Season 4: Primal Dinosaurs: Jurassic Hollow & Dino Hatchery Guide & Calculator

Commanders enter the Hollow Earth where prehistoric apex predators roam. Tame and evolve combat Dinosaurs while unlocking the current peak S+ trio: Yu Chan, Queenie, and Amber.

Select Target Server Season

Season 4: Primal Dinosaurs — Jurassic Hollow & Dino Hatchery

Open S4 Dedicated Page →

Commanders enter the Hollow Earth where prehistoric apex predators roam. Tame and evolve combat Dinosaurs while unlocking the current peak S+ trio: Yu Chan, Queenie, and Amber.

📦 Interactive Season Prep & Hoarding Checklist

Select your current season and check off stockpiled resources before Season 4: Primal Dinosaurs starts. Progress saves automatically in your browser.

Current Server Season

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Preparing For

Season 4: Primal Dinosaurs Hoarding Readiness0/5 targets met (0%)

✓

🧩

Universal Gold Hero Fragments

critical

975 fragments maxes an S4 apex carry (Yu Chan, Queenie, or Amber) to 5-Star on Week 1 Heroes Day.

975

Fragments

✓

⚔️

Exclusive Weapon Shards

critical

S4 heroes gain Crimson Dominion / Crimson Tide exclusive skills (+10-12% faction ATK & counter mitigation).

200

Shards

✓

🎖️

Courage Badges

critical

Finish Phase 3 & Phase 4 of T10 Troop Research (totaling 1.48M badges) to compete in S4 Apex brackets.

350K

Badges

✓

⚡

Fuel / Stamina Cans

high

Required for Apex Tyrant Rallies and Amber Fossil excavation nodes during Week 1-2.

120

Cans

✓

🛡️

Mythic Gear Blueprints & Alloy

high

Reforge main march Weapon and Boots to Mythic tier before S4 cross-server Canyon Clash.

Blueprints

🧬 Primal Dino Hatchery Progression Calculator

Plan your daily Amber Fossils farming targets to max out Season 4: Primal Dinosaurs seasonal progression before the 8-week season ends.

Your Daily Amber Fossils

Days Left in Season

Remaining Amber Fossils Needed

1.83M / 1.83M

Estimated Days at Current Rate

74 days

⚠️ 32 days behind schedule

Daily Farming Target (42d window)

43.6K / day

Free baseline: 25K/day

Deep-Core Fossil Rig

+38,000 Amber Fossils/day & +6,000 Primal Ferocity Resistance

Lv. 0 / 30340K left

Velociraptor Strike Pack

+22% March Speed & +18% First-Strike Skill Damage in PvP

Lv. 0 / 30450K left

Ankylosaur Iron Bastion

+25% Garrison Defense & -12% Incoming Crit Damage during City Sieges

Lv. 0 / 30480K left

Tyrannosaur Alpha Awakening

Unlocks Apex Roar active battle skill (+30% All Troop ATK for 10s)

Lv. 0 / 25560K left

🏆 Season 4: Primal Dinosaurs Meta Hub & Faction Synergy

Dominant Faction: Blood Rose (Assaulters)

View Full 30-Hero Tier List →

Yu Chan + Licia defines the S4 endgame Assaulter meta with +15% Assaulter ATK and +12% Faction ATK, while Queenie + Liliana + Alma creates the highest burst Shooter lineup in the game.

💡 Counter Strategy: Amber's Crimson Dominion (+10% vs Assaulters, -10% damage taken from Riders) makes Guard of Order and Wings of Dawn hybrids viable counters to pure Blood Rose stacks.