Daemons are not of mortal flesh and have some immunity to mundane weapons. Daemons get a 5+ Ward save. However, this Ward save cannot be used against magical attacks (le. spells and magic items).

Daemonic attacks

Being corporeal manifestations of Chaos, Daemons' attacks are magical and can wound ethereal creatures. etc. This includes any special or ranged attacks they may have.

Profiles:

Profile	Mv	WS	BS	S	T	W	I	A	Ld	Sv	Sv+	US	Base
Daemonic Herald	6	6	0	5	4	2	6	3	9	7	7	1

Modifiers:

set hidden false

force is Daemonic Legion (SoC)