[Selfish Gene]

But thinking of it now that you said, if that is Tarnada's own power alone... Then why Charge Mind + Tavyl should ever affect it?

It doesn't make sense for an Evoker to empower Tarnada's power, if it doesn't belong to them. It's the same as Charging Mind and touching another Evoker when they are about to cast a magic, to empower the friend's invocation.

Precisely where I was going with my post. If the counter-argument of Vydel's power being correlated with the sword's power and not the user's, then why do all of these other factors come into play? It's honestly just force-feeding an already great 10* whereas others are clearly lacking.