There are a lot of science groups in the Neth Empire. Rapture Science started Project Monte after stealing Road Industry's research data for R series. Monte Proto is a prototype and it targets R-0 for more data.
Throws a wave of energy that deals physical damage equal to (49/122/221)% of attack power based on the chain number.
Sonic Sword is activated after an ally uses a chain-3 skill, granting a 50% chance to activate an ultimate wind sword to deal physical damage equal to 250% of the hero's attack power. This effect happens once for every second.