Trojan horse
noun
°(Greek legend) a hollow wooden horse by which the Greeks gained access to Ilium or Troy.
°(by extension) a subversive person or device placed within the ranks of the enemy.

Myrmidon
noun
°One of a fierce tribe or troop who accompanied Achilles, their king, to the Trojan war.

draconian
adjective
°Very severe, oppressive or strict.
"The despot chose a draconian punishment."
°(obsolete except in fiction) Of or resembling a dragon.
synonyms: cruel, hard, harsh, oppressive more» , rigid, strict, stringent, draconic, dragonlike

Cyclopean
adjective
°Suggestive of a Cyclops.
°Of a style of ancient masonry where walls are fitted together of huge irregular stones; ancient and roughly composed.

Cassandra
noun
°Daughter of King Priam of Troy and his queen Hecuba, who captured the eye of Apollo and was granted the ability to see the future. However, she was destined to never be believed.
°.

Arcadia
noun
°A district or a prefecture in the central and mid SE Peloponnese that has a population of more than 110,000. Tripoli is the capital and a main city with a population over 22,000.
°A mountainous region of ancient Greece.

Achilles' heel
noun
°alternative spelling of Achilles heel.