As in the same series, the sayajin race, when it receives almost deadly damage and then recovers, will increase its power thanks to its S cells.
I give this idea to be added to the dragon C block, since it would be good if in the sayajin race both the semi and the normal, according to the blows you received from an enemy, you can increase your resistance little by little.
the function would be (that with a probability that it works), after recovery, it may have a chance of occurring, to increase its power involuntarily. I think that is what most resembles a Zenkai sayajin.