The next best course of action is to find a baby with the potential to become a powerful beast for example a dragon or a phoenix but at my cultivation level, even those aren't that helpful unless one uses tons of resources to help them with which one could make almost 1000 strong army of cultivators at that level so it isn't an ideal situation.
Dragons guard their babies to the extreme so that even if you want to kidnap and tame a baby dragon you might have to go through all of them. In the past one guy wanted to do just that so he gathered over 100 powerful cultivators to kidnap the dragon's baby but the outcome? All of them were annihilated but if true strong cultivators decided to do so they could do that easily but most don't want to waste resources on this.
