The K’daai are counted as Daemons for the purposes of any relevant spell or effect against them, and they have a 4+ ward save which increases to 2+ against Flaming Attacks.
Source: Warhammer Fantasy: 8th Edition
The K’daai are counted as Daemons for the purposes of any relevant spell or effect against them, and they have a 4+ ward save which increases to 2+ against Flaming Attacks.