You need to get out

Guna then thought,

'There's really no point in me hitting the wall like this. I need more strength if I want to open the passage. It looks like it's time to use the technique Gen taught me. I still can't control it very well, but it's the strongest blow I know.'

Guna then held his sword with both hands, and held it so that its tip was pointing toward the wall.

He then released his aura around himself, without controlling it, and seeing this the man who was watching him thought, 'What is he trying to do?'

Guna then closed his eyes, concentrated, and made the aura that was spread around his begin to concentrate on the blade of his sword. Gradually, he concentrated, to the point where the aura was completely concentrated on the blade of the sword.

The man then thought, 'A concentrated attack. It's a good idea, but still not enough to open the passage.'