Shocking Arsenal

When Matrix heard this, he immediately retracted his hand.

"Can this little thing really be that badass?" Matrix asked doubtfully.

Viviana glanced at him indifferently. Then, she took the knife and gently swung it at the cup beside him.

"Nothing happened." Matrix stared at the cup for a long time.

However, just as he finished speaking, the upper part of the cup suddenly slid down.

Matrix was so fr