Danmachi: Blessings of the Gods

Alexandros was an archaeologist with special interest in mythology.
After an accident at an excavation site, he meets an unknown god.
He gets blessed with a Falna and thrown in the world of Danmachi.

Will he adapt to his new life?
How can he succed when he can't join a familia, because of his Falna?
Does he reach the top or give up and find another purpose at his second chance at life?