Yeah... I'm pretty sure, anyway, even if it wasn't like what you told me happened before. It wasn't normal symbology. [He hadn't drawn a symbol, for one. He specifically remembered the odd sensation of channeling the energy through his own body entirely, even if it was only for a few moments.]

I'm pretty sure normal symbology can't cut one of Vegeta's energy blasts in half. [And it hadn't felt exactly the same as when he imbued his sword with symbological power normally, but it was close enough in some ways.]