Thread:BlazingKey/@comment-24782999-20140409085542/@comment-25296063-20140410152110

No, by fusing them with a character that has a similar bb. e.g. Sage Mimir fused into God Tree Eltri would increase his bb as they are both healing. Or fuse Sorceress Lily into Assassin Oboro would increase his bb because they both can use curse in their bb.