hey guys,
wrote this sacrifice calculator some months ago and i didn't share it yet, shame on me . could be interesting for the next sacrifice event.
there are some different examples on how to get level 6 and level 7 sacrifices assuming you have maxed chars. it's pretty self explaining.
https://1drv.ms/x/s!AmnD5WIsUqymh7McAkGvc7VCtd475Q
have fun
cheers