Open the gate to Sky City
Kill the ultimate mechanical guard
Finish Way to Heaven chapter 3
Finish Way to Heaven chapter 2
Finish Way to Heaven chapter 1
Level of Transmigration in Sky City reach 3
Finish Transmigration in Sky City once
Enter Sky City
Destroy 4 machine soldiers at once with a grenade detonation.
Accumulated player deaths 25 times.
Hit 3 times by any large mecha.
200 kills in Defensive warfare.
Completely upgrade one weapon.
Accumulatively destroyed 6 UFO fighter.
Drive mecha, trample to kill 30 enemies
Destroy 1 UFO fighter with a grenade detonation.
Defensive warfare adhere to 5 waves of enemy attacks.
Destroy 50 machine soldiers with melee attacks.
Defeat the final BOSS-BERSERKER
Complete the Campaign on any difficulty.
Die 10 times.
Destroy 100 wreckage of the machine soldiers.
Death by driving mecha.
Unlock 4 specialist weapons.
Die 5 times.
Total number of Cores reached 75.
Defeated 10 Death Claw or Observer.
Defeated 3 Shadowblade.
Li Ying used skills 3 times.
Defeated 20 Battlefield or Mechanical mosquito.
Salman's Shield takes 2500 damage.
Destroyed a Mechanical Destroyer.
First use of equiproom.
Destroyed a UFO fighter.
Defeated 30 armored guard's.(Black\Silver\Guardian)
Blasting 10 barrels.
Defeated 30 Mutant.
Use specialist weapons for the first time.
Alex's first use of skills.
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