As far as Overall changes and Unit changes.
All units Get a Slight armor Boost, Since they are all wearing armor now. And a Moral Boost. Possibly other state changes to reflect their More Professional Nature and training. Most likely all units would have a slight Recruitment cost and/or Upkeep cost increase.

This First Legendary lord, the Golden Hero Manticore would also have the regain ability and Perfect Vigor ability. Also have magic resistance.

New Units:
1) Feral Griffins with Drop Rocks ability. and Maybe Rampage ability. Comes in a unit of maybe 3-5 Models.
2) Centigors with Great Swords. Not sure on state differences.
3) War Lions of Chrace.

Sub faction for this Beastmen faction idea.
Another Legendary lord Idea.
A White Colored Hero Bloodwrack Medusa, With the Warp Gaze ability, and Frostbite Ability.

New Units:
1) Ice Wolves
2) Werewolves
3) Gains access to Ice Wolves Chariots as a unit and as a Mount for leaders.

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