This DLC includes

• 500 Spiral Points!
  
• You will get the Snake-shaped spiral as a new design.
  
• The effect of this spiral is Super Critical. (Super Critical Rate is an effect that you can also get during the game.)
  Effect Detail
  
• Active Effect : Super Critical Rate + 10%
  
• Passive Effect : Super Critical Rate + 3%
  

Look at the screenshot at the top of the store page to see what the design looks like!