Arjîn's options were limited. Being against a fellow magician, he doubted that Hatorne employed common locks.
The illegal market was her biggest source of income, she was bound to have set alarms and safety measures to get rid of intruders or destroy all the incriminating evidence, in case something went wrong.
Arjîn wasn't hot-headed, neither the mission had a deadline, so he bid his time, waiting two days to get his opportunity.
It arrived in the form of a shipment of crates, that two young men delivered after parking their carriage in the alley of the service entrance. Finally, the door was opened from the inside, allowing the goods to be brought inside by both the guards and the couriers.
Using Life Vision, Arjîn checked the surroundings for witnesses and then the building to make sure the intelligence he had was correct. There were no guards hidden inside, and that was good news.