C117 Summon Rainstorm

"The system is summoning rainstorm..."

"It's expected that the storm will arrive in the battlefield in ten seconds. Host, please prepare yourself..."

"Ten, nine, eight, seven …"

Chen Yan looked up at the sky in boredom.

Forget it, just let this brainless System do as it pleases. He just had to follow the instructions of the System.

"Three, two, one, GO!"

"System, summoned