The style of heronymous bosch differed from the style of other northern renaissance artists because he relied heavily on

I believe the correct answer is: depictions of a fantastical world.

Hieronymus Bosch (born Jheronimus van Aken) was a Dutch draughtsman and painter from Brabant. He is widely considered one of the most notable representatives of Northern Renaissance artists (Early Netherlandish painting school), but he style is different from theirs because he relied heavily on fantastic illustrations of religious concepts and narratives such as "The Garden of Earthly Delights".