In logic settings, make sure Priority logic toggle is inactive. Once its inactive only then the user will be able to use the Multi level priority logic.
Click on Priority Logicin the logic popup.
Click on Multi Level Priority Logic toggle, this will allow to set priorities as blocks once toggle is active
User can set uo the settings under each block and pick scales. Scales selected in previous block won’t be active to select in the next block. Once settings are completete, click on Save.
User can create multiple blocks and delete.