This article's content is accurate to the most recent public game version, 0.4.8d.
"[1 Turn] Conjures a ghostly shield. Halves all magical damage the party receives."
Cost: 30 TP
Source: Alice - Unlocked at the world map after defeating ten magicos and having seven affection with Alice.
Wraith Shield is a skill that halves all magical damage the user's party receives for a single turn. It is an extremely fast skill that will normally go first in the turn.