- Travel to the specified city.
- Enter the city's Mages Guild and kill the target
- Return to the questgiver to complete the quest.
To start the quest, the Hero must have reputation of at least thirty within the Dark Brotherhood. Speak to any questgiver, and they will inform the Hero that there is a contract on a high-ranking member of the Mages Guild. Accept the quest, and the questgiver will point them towards a specific city.
Upon travelling to the specified city, enter the local Mages Guild hall and locate the Mage. Kill them and return to the questgiver to complete the quest.
If the Hero doesn't complete the quest within specified time limit, they will lose reputation with the guild.