By the time the Forgotten patrolling the neighborhood noticed that the maid seemed to have two energy signatures, Valia was already done.
Returning to Lith's shadow required no mana and didn't leave any dimensional energy that arrays could detect. As for the Eyes, she only had to store them back in the pocket dimension to make them disappear without a trace.
Solus flowed out of a pinhole-sized dimensional door, just to be safe. Thrud knew about Spirit Magic and Solus had already witnessed several anti-Awakened countermeasures throughout the city.
'Maybe the Mad Queen invented an array that perceives the stretches in space. Better be safe than sorry.' She thought while looking around with the Eyes of Menadion.