Spend a couple of demon teeth within the armoury and reinforce your arsenal. you will find that more military posture comes in handy once you have a screen choked with opponents and obscurity to cover in every incommodious stage.
Given that enemies have an irritating knack of spawning right behind you, the game's mini-map are often a lot of valuable than it 1st seems. Keep a watch thereon between rounds to make sure you are not getting ready to back to a attack.