Disc of Tzeentch

Attacks made by a model with this special rule are magical.  This includes any special, ranged, or Stomp attacks they make.

At the start of each Close Combat round, a unit that is in base contact with one or more enemy models that cause Fear must take a Leadership test, before any blows are struck.

All flyers have the Swiftstride special rule.
Movement begins and ends on the ground and moves up to 10".
Only entire units that can both walk and fly can do both.
A flying charge is calculated with a movement of 10".
Units can perform a Flying March of up to 20".
Flyers always move on the ground when they flee or pursue, but still benefit from Swiftstride.

Flying Cavalry are treated as Fast Cavalry with the Fly special rule.

When charging uses 3D6 and discard the lowest result and add to their move value.
When fleeing and pursuing, use 3D6 and discard the lowest result.