With this thought in mind, Fang Heng controlled the remaining Lickers and fusion Tyrant forms to head to the second floor of the quarantine zone to continue farming monsters. Then, he brought the newly born zombie clones back to the prison headquarters.
Just as he was about to leave, a few lines of game hints refreshed on his retina.
[Hint: Player's level has been raised to Level 19. Player will automatically receive the production of semi-fusion crystals.]
[Hint: The next upgrade requires semi-fusion evolution crystals*100.]
Eh?
What was a fusion evolution crystal?
Fang Heng frowned and opened the production panel to check.
[Production plan: Tier 1 semi-fusion evolution crystal.]
Production requirements: By fusing any two types of evolution crystals of the same level (blue, purple, green), one can create fusion evolution crystals of the same level.
