| IS: Liar's Mask | |
|---|---|
 Due reveals herself | |
| Spell profile | |
| Primary caster | Due |
| Classification | |
| Magic system | Special (IS) |
| Category | Illusion |
| Production | |
| Japanese name | シルバーカーテン (Shirubā Kāten) |
| First app. | StrikerS (ep.20) |
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Liar's Mask (ライアーズ・マスク Raiāzu Masuku), also known as the False Mask (偽りの仮面), is the Inherent Skill of Due. This is a shapeshifting ability that can fool the physical tests performed in the TSAB and other major worlds.