the prince decided to banish(exiled) romeo from verona and if he was ever found in verona he would end up dead.
In Shakespeare's play "Romeo and Juliet," it is Prince Escalus of Verona who ultimately decides Romeo's punishment for killing Tybalt. Prince Escalus banishes Romeo from Verona as a result of his actions.
DEATH
He tells Romeo that he could have received the punishment of death....
Punishment of banishment
Mercutio is the one who decides to fight Tybalt.
Friar Laurence tells Romeo of his punishment, which is banishment from Verona. He informs Romeo that the Prince has decided on this punishment for killing Tybalt in a duel.
Mercutio decides to defend Romeo's honor by fighting Tybalt in his place. This leads to a tragic turn of events that ultimately results in Mercutio's death and Romeo's banishment.
death
The apothecary in "Romeo and Juliet" received a death sentence for selling poison to Romeo.
Friar Lawrence feels that a punishment is good when they are in harm and when Romeo is missing Juliet, that is a very good punishment.
Sure. There are other possibilities for a fair punishment.
Romeo gets banished from Verona
he decides to get a potion for suicide
The Judge determines the punishment once the verdict has been read and the defendant found guilty.