Consume an ordinary corpse crystal, and the increase in evolution is pitiful.

If Zhao Yin wants to become an E-level evolutionary, he needs to consume 10,000 of these ordinary corpse crystals, but if he changes to F-level corpse crystals, a hundred can allow him to evolve to E-level, E-level corpse crystals, only one is needed!

Every time the corpse crystal rises one level, it has a hundredfold energy bonus!

Zhao Yin picked up the heads of several other corpses, but did not evolve corpse crystals.

The evolution speed of these zombies is extremely terrifying, and it won't be long before all zombies will evolve corpse crystals in their heads, and there may even be F-rank.

"Doomsday Star Crystal: I Have a Contract Beast Legion" Chapter 17 The female zombie is hitting in her hand, please wait a while,

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