One of the side effects of the rampant cloning and genetic augmentation in the Cosmic Era is the slow emergence of genetic castes.
The walking siege engines of the Cosmic Era
The Rocky Mountain Republic owes in large it's existence to a single limited run of primitive mechs, the Assault/Bombard Mech model 1.
An Amazon nation in the Cosmic Era
A common tool of necromancers, nether mages, and others who are privvy to the arts of the dead and undead
An agent of the Vatican, Father Titus is one of it's highest ranking and most effective special agents.
Sisters raised in the aviation business, for use in a modern setting
The Trace On System, abbreviated as either TOS or TRON are a series of epidermal implants and nano-fiber filaments implanted to improve the reflexes, balance, and agility of the augment wearing them.
Before Final Fantasy turned Bahamut into a dragon, it was a fish
Also known as 'jeks, wo-pos and a variety of other derogatory terms
The term is archaic, calling upon the ancient language of the magi, and those versed in the eldritch arts. In the more vulgar argot, terms such as scrying room and equally mundane names are bandied about. The fact that such limited terms are used to describe the proper mystic's psychomanteum demonstrates how little they actually know about what occurs within.
Keep your helmet on, there are sparrow oaks in this forest.
The hardest part about dealing with a ratwood tree is by the time you find it, there are dozens more you haven't found yet.
Guilt is a powerful force
'I can't go back to yesterday, I was a different person then' ~ Mad Alice
7 things that make a work of fiction Lovecraftian, even if it doesn't deal at all with the established Mythos
Where the clowns dwell, even angels fear to tread
Graphic content, reader discretion is advised
Technology in the Cosmic Era can become corrupted and infested. When this happens to a mecha, the result in codenamed a Hekatonkheire.
An incarnation of Laserbeak, and condor/cyborgs for the Cosmic Era
Patterns in surnames: There are many ways a surname could have evolved over centuries. One possibility is migration. A Roman name may have traveled to France and hence to England where it was later Anglicized. Case in point - the surname Lawrence went from Laurentius (Roman) to Laurent (French) to Lawrence (English) and then to Lowry (Scottish). There is also natural etymological evolution. For example, a Middle English spelling may have evolved to a modern English spelling (e.g. Stiward to Stewart). Where did your character's Surname come from?