Riddles of the Sphinx

On the maps, sphinxes can occasionally be found in the campaign. These structures offer a chance to test your knowledge for a reward. Most often, historical knowledge of the heroes is required to answer :) However, since not everyone wants to delve deeper, below I've provided all the riddles I've come across with the correct answers.

Which house formed the first ruling dynasty of the land now known as the Holy Empire of the Griffin?

Falcon

Who is Nicholas's father?

Alex

What unique talent elevates Nuru among the heroes of the Academy of Magic?

She is a djinn

What color are Isabel's hair?

Black (brunette)

Tiara lives on...

Twilight Island

Who was the Seventh Dragon?

Sar-Ilam

How many Primordial Dragons rule Ashan?

Two

What unique skill does Agrail possess?

He is very fast

Railag becomes the master of...

The Clan of the Marked by Shadow

What is the demons' favorite resource?

Sulfur

King Alaron lost support from...

Emerald Dragons

Markel always carries the skull of...

His sworn enemy, Cyrus

What can a sea elf's sextant be used for?

To speed up movement across the sea

Twilight Dragons are the children...

Malasses

Who has killed the most demons?

Alex

Who is Ascha?

Dragon of order

Shio is...

Prison of demons

What is the most powerful creature in the Silver Cities?

Titan

Irollen is...

Elven Kingdom

What is the Claw?

Capital of the Griffin Empire

So far, that’s it; if more questions arise, I will add them ;)