(1) In the Cage, at the Slave Market

I’m round like the coins that Romans spent,

A simple shape - a circle, I meant.

Look in the sky, the sun is there—

I am enclosed - but not a square.

Answer = O

(2) By the Feet of Mithras, at the End of the Underground Caverns

I start the word “run” and “race” as well,

A rolling sound that Romans do tell.

I travel far and go straight through—

Name the letter that begins “roads” too.

Answer = R

(3) At the Base of the Obelisk, at the North Edge of the City

I start the word “army” and “altar” too,

A simple sound, both loud and true.

Gladiators hear me in the fight—

I start and end “arena,” that's right!

Answer = A

(4) In the Lion's Den, Under the Arena of the Coliseum

I start the word “crown” and “column” tall,

A hard little sound, you hear me call.

Carved in stone or marble high—

Name the letter that starts the word “cry.”

Answer = C

(5) By the base of Apollo, in the Main Bathing House

I start the word “leader,” or “laurel” so green,

On emperors’ heads, oh there I am seen.

I twist around the victor’s hair—

The starting letter of “laurel,” found there.

Answer = L

(6) In the Stables, by the Side of the Circus

I start the word “emperor,” I also start “east,”

I am hidden within the midst of such a “feast.”

Three short lines and one in the middle,

Name the letter to end this riddle.

Answer = E

When these six letters are placed in order, they form the form 'ORACLE' ... which is the answer to this quest.