This rune dispels any spell targeted at the unit on a D6 roll of 4+. One attempt may be made against each spell cast. Further Runes of Warding may be enscribed, in which case you may make one attempt at a dispel for each rune.
Source: Warhammer Fantasy: 5th Edition
This rune dispels any spell targeted at the unit on a D6 roll of 4+. One attempt may be made against each spell cast. Further Runes of Warding may be enscribed, in which case you may make one attempt at a dispel for each rune.