1) Commander-in-chief of the Roman armies if there's a war going on. 2) Chief law-maker and new-law-implementer. Laws were made by the consuls and the tribunes of the plebs. The senate also passed what's called the senatorial decrees and these were often treated like laws (they weren't). 3) Head of all other magistrates and could veto everyone's decisions, with the exception of tribunes of the plebs and censors.
It is generally accepted that the strongest pain medicine currently available is Dilaudid, also known as hydromorphone or hydrochloride. THat being said, if a person requires treatment with pain medication it is often trial and error to determine what is going to work best for a patient in a particular situation.
The entire class of medications called opioids are the strongest pain medications. These include morphine, hydromorphone, Meperidine, Oxycodone, Hydromorphone, Codeine, methadone and fentanyl. Of these medications, fentanyl is the most potent.