Which preposition to use with enshrouded

in Occurrences 9%

The origin of religions is enshrouded in mystical darkness, and is a mere speculation.

with Occurrences 1%

When this is the case suicide is the result, and sometimes suicide of the two lovers; unless nature, to prevent this, causes insanity, which then enshrouds with its veil the consciousness of so hopeless a condition.

Which preposition to use with  enshrouded