When the subject is ancient civilization, there is no such thing as arcane knowledge.

Among the pleasures of watching period drama is the arcane knowledge that can be accumulated.

He was 11 years old when his sister died and he tried to revive her with arcane knowledge.

This is hardly some arcane knowledge and it's pretty much common sense.

Those paths have taken me to places of arcane knowledge.

"I, on the other hand, require arcane knowledge which I know you possess."

These are complex jobs that require arcane knowledge and an ability to keep up with constantly changing laws.

"Joe, you never cease to amaze me with your supply of arcane knowledge."

A capacity to absorb vast amounts of arcane knowledge and to work with it.

But he seemed to have a lot of arcane knowledge, touching on the technology of the past.