Slim was born on another world long ago, he was tasked with finding a new world for their colony to settle, while traveling the worlds the ship he was on was attacked and he was tossed overboard with the most precious thing he could gather, a queen pupa and a few eggs.
Slim drifted in the Astral Seas for decades, sometimes in madness, sometimes lucid. Eventually, he was found and brought aboard a ship heading to Torvil, he was told that it was a world where one could make a life, perhaps he could make a colony.
After time a bit of time, after finding a nice spot of nowhere in a desert and having the workers & the queen set up, Slim went off to get supplies in a town where he was told he could do so with...minimal...cause for fear or attack. Baldur's Gate.