Following are the rules for Unchained Monks class feature Flurry of Blows when using the Revised Action Economy.

Flurry of Blows (Attack; 2 Acts)

Monks are able to make a two additional attacks using flurry of blows. The first two attacks are made at their highest base attack bonus, the third at -5 base attack bonus. An additional third act can be spent do make another attack at -10 base attack bonus.

At 11th level they can make an additional attack at their highest base attack bonus for a total of three attacks at highest base attack bonus and one attack at -5 BAB.

If Medusa's Wrath is triggered an additional two attacks can be made at their highest base attack bonus.

Level 11 Flurry of Blows (Attack; 2 Acts)

  • Full BAB attacks: 3
  • BAB -5 attacks: 1

3rd act can be used for a -10 attack

Level 11 Flurry of Blows + Medusa's Wrath triggered (Attack; 2 Acts)

  • Full BAB attacks: 5
  • BAB -5 attacks: 1

3rd act can be used for a -10 attack