A familiar Heist

Job Title: A familiar Heist
Rank: 10y
Job Location: Minstrel
Solo Word Count: 13.000 words
Group Word Count: 25.000 words
Additional Requirements: At least one S-rank mage or higher, Must have Johann in the party, Must get back the property of the von Weiss family.

Job Description:
Every 10 years the Royal Bank of Minstrel opens their famous vaults for maintenance work, upgrades etc., presenting a perfect opportunity for thieves to try and get a piece of the pie that would otherwise be utterly unobtainable to them since the vaults are normally sealed away deep underground, surrounded by layer upon layer of defense mechanism. Though defenses will be even higher when the vaults open there will actually be a possibility to enter them, the otherwise sealed dimensional locks being deactivated. Johann has taken personal interest in these vaults, not for petty thievery, but to regain what has been taken from his family.

Enemies:

Will be made up on the go

Reward: 300k jewels