he rolled forward bringing up his sword quickly slicing through the center mass of a Kreeper.
First of all using walk and then walking is redundant. second of if he walks slowly why don’t they have time to strike?
He walked forward slowly, walking among the Kreeper and in an instant, he sliced his blade around him before any of the Kreeper had a chance to strike.
Just get rid of the first "and" here.
I don’t know exactly what it’s supposed to be. Turned? Or is it really supposed to be winked him off?
At that, he winked him off and stared down at the Kreeper
Sounds better if it’s written: have the levels that are in danger of being breached move into the tunnels.
the levels that are in danger of being breached have them move into the tunnels
