He must have had a whole legion of angels surrounding him.
The officer commanding the whole legion was called a legate.
He rose to this position by a serial promotion, and was considered the most able man in the whole legion.
He was possessed with a whole legion of demons!
A dozen of them could pin down a whole legion.
There's a whole winged legion for transportation and communication, too.
Did Publius really bring a whole legion to the wedding?
"That is the whole damned legion down there and maybe more!"
The man who won it had to have saved a whole legion or army by his personal efforts.
He supposed that there were others like him, perhaps whole legions.