Update

• New item: Sword of Blood
  
  When using the [2] skill, summon a sword of blood to deal 400% (increases by 400% per use) of the target's maximum health as damage.
  
• Added a new rotating boss in the seventh level: Undead.
  
• Increase the priority of boss [Shadow Guardian] to summon enemies.
  
• Updated the enemy level growth curve in endless mode.
  
• Updated some descriptions.
  
• Fixed the issue where some platforms in the third level could not be jumped down.