Board Thread:Questions and Answers/@comment-29328744-20161103010711/@comment-30397282-20161106155353

rates are the same but you can get an awesome SSR in the first or second single pull, while you need to spend 50 stones to perform a multi. that's why multis often give some additional rewards like Elder Kais or are cheaper (one time discounts like 30-40 DS for the multi).