Well I wasn't thinking of knights originally but I guess genetically altered horses be fine.
Since the Regiment is small to the point they be shock troops, hitting the enemy line at it's weakest, They would be more "Elite" for a IG regiment and be small. Could the Regular Knights have Caparace Solar Pattern Void Armour then the Knight Commanders or IG Company Captains would have their own power armor?
I made this awhile so that gave me the idea lol
Tempestus Freeblade Ordo
The Knights of St.Razarith
Imperial Guard: A true regiment, drilled and competent in their service
While here they are instilled with a strong sense of loyalty to the Imperium, taught superior battle tactics and the use of more advanced equipment than the average Guardsmen by Adeptus Astartes stationed on the planet.They are homogenised and mentally broken, then rebuilt as perfect soldiers. Many cadets will undergo mental reconstruction that erases memories of their past lives. Once their basic training and mental reconstruction is complete, cadets undergo the Trials of Compliance. This is a trial of diverse nature that tests how cadets can process commands, regardless of how dangerous, inhumane, or complex they may be. Only those who pass the trials may become Knights.
Caste-born: Raised from birth in the warrior caste.
Nobility: Join for honor and glory.
Elite tithe: The best of the best of the planet were recruited for this regiment. (If caste-born or nobility was rolled on demographic table, you may select this by default)
Forge Medieval World/Space Marine Homeworld: Blessed by the Omnissiah to carry His light across the Galaxy with a medieval society.
Heavy Shock Trooper Cavalry
Plate Armour with Solar Pattern Void Armour overlap
Razarith Pattern Power Lance Caster - Custom Power Lances that act as a close quaters weapon and as a long range weapon. Inside the Lance, lies a barreled bolter that can be activated at any times besides when be using as a lance. Can lay down fire at short range and destroy most unarmored enemies.
Godwyn-De'az Pattern Bolters
Overzealous: need to be actively held back from giving their lives for the Emperor
Augmented Troops, Preferred Fighting Style
For The Homeworld: This regiment's mission is to demonstrate the skill and steel of the homeworld to the rest of the Imperium.
For the Emperor: Fervent belief in the Imperial cult and the righteous mission of the Imperium fuels this regiment.
"I am Honored to call every single one of you my brother.....You will die today, I will die today but if we must die for the greater good of humanity so be it. With our deaths, our children will blossom into the stars with the Primarches of anew and start a new, grander crusade in the name of the Emperor and as the Emperor's chosen, we will guide them to that path......Show them the true fury of the Emperor's wraith one last time my brothers!.....Forward in the name of the Emperor and may you find salvation with the Emperor when the end comes for you.
- Chapter Master Nilus Pentis of the Ultra Hawks,
00.? 42M, Second battle of Terra