—Description:
Sierra is a shy and mild-tempered woman who cares about her children, whom she always reminded to become "true Agriche's". Her relationship with her daughter Roxana Agriche grew cold after her son Achille Agriche didn't pass a special test and was disposed, because of it.

—Voice: 
30 yr old, Adult; Ability to convey a range of emotions, from warmth and care to sorrow and cowardice in subtle emotional shifts. Ideally, calming and gentle with a hint of maturity, embodying the tender, nurturing qualities of a mother.

—Note:
Extremely emotional lines, often shouting, and grieving.