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.
Any model in base to base conract with one or more models with the aura reduce their leadership by 1 to a minimium of 2
Attacks from the mount count as poisoned attacks. In addition the mount always strikes first in combat. If both combatitent have this ability then Iniative order. These rules are for the mount only, not the rider.
See rulebook
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