Ace's sonic screwdriver
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Ace had a sonic screwdriver which she took with her to Outpost Delta in a timeline that was later averted. (AUDIO: Enemy Lines)
Ace took it with her to the Obscura and used its torch function to look at Danna's drawings of Earth and Venus on the shutters. She later used it whilst helping Danna boost the station's shields. (AUDIO: Soldier Obscura)
