C154 I Don't Have a Billion

"Purchase level 3 biochemical upgrade crystals!"

Sam Moreels said without hesitation.

Level-4 Biochemical Guard... However, the power of a ten star Imperial Sky Warrior was comparable to a ten star king level battle pet... How could Sam Moreels not be excited?

"Ding! The price of a level 3 biochemical crystal is 1 billion! The balance is insufficient