Board Thread:Questions and Answers/@comment-193.150.16.113-20130512133321/@comment-7620285-20130512144051

fusing a maxed daemon (all mags come maxed) with the same skill guarantee a skill level up, otherwise if the daemon is not maxed there's a ~20-25% chance of it working. i generally wait until i get 4 Kotetsu/Ult.Barbetta's and bulk fuse them, averaging 1 skill up.