A human soul is a unique creation, imbued with certain specific potentials and attributes which are available to grow, ripen, blossom and flower in its own time and in its own manner

This can happen during life or after life 

But according to Karma (Allah)

The effects of the soul’s regrets and skills are ready germinate under a suitable environment

What matter is how the soul use its free will to become better from bitter 

It is all about how the SPIRITUAL JOURNEY of your LIMITED SELF, reach the levels of CONSCIOUSNESS (Heavens) of your own being (God) and merge or become union with the perfect self (God) within . .