Isadora is a feminine given name, the feminine form of Isidoros (Greek Ισιδωρος), meaning "gift of Isis" from the word Isis, combined with the Greek word δωρον or doron, meaning "gift." Isis (Ancient Greek: Ἶσις) was a goddess in Ancient Egyptian religious beliefs, whose worship spread throughout the Greco-Roman world. She was worshiped as the ideal mother and wife as well as the matron of marriage and magic. She was the friend of slaves, artisans, the downtrodden, as well as listening to the prayers of the wealthy, maidens, aristocrats and rulers. Isis is also known as the protector of the dead because she resurrected her husband Osiris and as the goddess of children from whom all beginnings arose.
Nothing has been revealed about the layout of Isadora, in regards to the continents or landmasses it has or any particular features.
Isadora's minimal history includes its existence as a prison planet, the location of the enslaved Mariedians. 3000 years had passed since the invention of the first Soulborg, so it is unknown exactly at what point in time Isadora became a prison planet during the conflict that escalated into the Mariedians losing custody of their homeworld.
Inclusion into the Heroscape continuity
The only individual summoned from Isadora is Warden 816, described as having the ability to intimidate the individuals under control and driving them into combat with unusual speed. Utgar, thus being the only one mentioned with visions of Isadora, reveals more of his character as a tyrant, as he is not concerned with the ongoing slavery on the planet, but more of the effectiveness of the ones who promulgate it.