Talk:Rat King (covenant)/@comment-37.204.82.85-20140428114559/@comment-3492791-20140429181754

Offerings are cumulative. Meaning you must offer 10 tails to reach rank 1, then 20 more tails to reach rank 2, for a total of 30. You need a total of 65 tails to reach rank 3, so you must offer 28 more tails.