Ace

"Silas Kipley"

- Agent Walter Hahn

"Ace" is a slang term for a potent antianxiety agent. It is used predominantly on the human Outer Colony of Sedra, though the term has widespread usage throughout human-occupied space and can refer to a number of different drugs. "Ace" is commonly combined with polypseudomorphine for recreational usage.

List of appearances

 * Halo: Smoke and Shadow