The number of mandatory duties in the game to progress within the main scenario quest: 67

• 39 dungeons
  • arr: 11/11
  • hw: 9/9
  • sb: 8/8
  • shb: 1/11
• 25 trials
  • arr: 13/13
  • hw: 4/4
  • sb: 4/4
  • shb: 0/4
• 3 alliance raids
  • arr: 3/3

The remaining 192 duties are optional ☆