Forceable in 1.5374743673106668e+28 years
This test also fails to take into account the 15 minutes restriction per 5 trials, assuming the person in question cannot roll an IP ~instantly. This would add 3.8718661984566491571952492131916e+40 years to the time assuming every password of the same length as my password is trialed before my password and every password shorter.
Fuck yeah, sentences are the best passwords ever