Basically. I use it to activate my sword. It's like telling... Siri, I guess, to do something.

( Siri, Activate Murder Mode ! )

So I guess the principle is similar, since we're telling the... spirits? to do something. But talking from the heart isn't exactly my strong suit.

( Honestly, this magic system is weird to him, but mostly because he's never thought about magical energy as "sentient" the way spirits are (or something). He isn't happy about the situation, but he's trying his best to understand. )