"In your case, there are two things weighing you down and rendering the use of the sword inefficient. The first is the absence of a real physical body due to your special, nonetheless, it shouldn't be that much of a problem if you learn how to manipulate the life force inside it. The second thing is the rip-off system you're using, looking at it is a joke in itself."
Arthur listened to Timos, who was explaining a few things, though he still hasn't agreed to hand over Makaze, the Black Devil assumed otherwise.
"It automatically calibrates the usage of any kind of energy and though it seems helpful, it actually isn't. This is a lower version of the System created by Tiarius, whoever created it clearly has no clue what he's doing. Let me show you bad it is."