After reading the descriptions of the five products, Shen Jin tried to scroll down.
[System notification: Unlocking the third page of the Crystal Core Shop requires World Coins ×1,000 and World Line ×2]
One look at those requirements told Shen Jin he would not be unlocking the third page of the [Crystal Core Shop] anytime soon.
Fortunately, all five products on the second page of the [Crystal Core Shop] were good.
Shen Jin had found the most crucial potion among them! The [Special Ability Advancement Potion] that could advance him to Tier 2.
"That really takes a lot of materials. With what I have saved up, I can only exchange for one bottle."
When Shen Jin came over from D City, he had brought half his ordinary Energy Crystal Cores. Adding those the Zombie Slaying Squads had collected on their sorties over the past few days, he had 8,133 in total.
He also had 13 [Tier 1 Energy Crystal Cores], 11 [tier 1 mutant energy crystal cores], and the sole [tier 2 energy crystal core] dropped by the Big-Head Zombie.
"Just enough for one bottle. I'll use it first."
[Lost: tier 2 energy crystal core ×1] [Lost: Tier 1 Energy Crystal Core ×10] [Lost: Energy Crystal Core ×100]
A bottle of bright yellow potion appeared in Shen Jin's hand. Its appearance was no different from the Special Ability Awakening Potion.
"Why... are all the potions exchanged through the system so brightly colored? They always look poisonous..."
Shen Jin grumbled about the system, then downed it in one gulp.
The cold liquid flowed down his throat, gradually turning hot as it spread throughout his limbs and body.
A faint yellow light shone out through Shen Jin's body, making him look like a pale yellow glowing object.
The