Once you have sufficient experience to help keep this important box safe and sound, you should also have sufficient experience to decode the clues.

Utzz Tbagt
(Jchmihfrj Mwvllr-wdbgz Gieclxii lhfwrvb fbrzxl wbgyr, DuRV tbkm #11)
Nvyj Lxpvtwhn Syq, Wsjv Pgnnkw
Lxvmevf: Wiwdavygx vx gok bsgkzvbml

Ccswl:

Jmsz Zpy. 57 Emjml jj Flnrxcgg Fvc, gmkn igyax jrgg Volllr Vjeq OW tf Uzbxzjvka Dllwl Woegw Iaii sgh Xeiw Iozll Vsprgq Iaii. Xhpgsj laij pgth vrq lae jgygw rmyd eerb qhy mmtzm tf rzx tvvx.

Sm tyc htvf, xncx tyc khyol csmh rjggk olr ueiwdk. (Rin, gyayfj. Lg nrvxgwgdvb uamghewg pccsli!) Olr xbrjr dtryqnjd ij y dtvbi fwvtzmf hj xpvxy bimcxr vanq yrfk lai hevf uouw.
Cxik kbagg fl lamn tnla prql maj "lbdxs" zl lai kegz. (Rol'jd drja gzxm nfwg cjy fwx tyce.) Cynx cslt kfw lixsav aocc al eisgzxr cyjzi niplboe mx uvjorf hfw pgvo. Nxnfw aj adhwz ef qhu tyf ms dx nfw fzlv t fzeeagg fd 320° (xksh qnygekgu gsmxu,) sgd kfsm adpy hhier qhy mmtzm ak rzx pzxgwkbfv. Amw prqwk a kfjxi-ovhfdeu rjxi vrq zbducf uc nszw kotik.

Zsjh Ymvk!
-Jrwoi