Smoother! Better!

Highly suggested patch!

1. improved difficulty curve
2. improved visibility when using spiral strike ability
3. fixed issue where an incorrect stat would show for the void staff
4. fixed rare issue with map load stalling at black screen
5. fixed issue where dash direction was sometimes unreliable, now it's solid!
6. fix some gaps in hall of relics that allowed sneaky playtesters to clip through walls
7. various balancing improvements