Honestly, same with Kedar. I wouldn't be surprised if a move to a new location is all he needs to kickstart his career as a breeding bull. He was also raised in a herd environment, and most of all, he had Zahara as a same age play mate, so he doubtlessly was able to engage in age and species appropriate play, which for elephants, does involve a sexual component at fairly young ages. It's been similar situations for multiple other bulls (Yoga, Tooth, and Jack in Europe, just to name a few) where they seem to be duds at whatever facility they spent their formative years, but as soon as they move to a new facility as a now sexually mature and more-or-less physically mature animal, they suddenly just take off breeding as long as the cows are willing.