Originally Posted by
Twickster
Really, if the question is if there is a resource for Rick that he has on his person consistently, it would just be the portal gun. He suffers from supergenius-syndrome, wherein for the creators to show his genius, they have to constantly create new inventions and feats for him, which make consistent use of this other inventions, aside from one vital to his core concept such as the portal gun, highly unlikely.
But even with the portal gun, he's still an extreme threat, as noted, there are dimensions where time moves slower, and he has used the thing as an offensive weapon such as opening portals to hostile dimensions and having creatures and/or environmental conditions pop out to be used as attacks and such.