Yes I am Space Marine biased and there will be an entire page about them but to be fair they are my favorite faction
Here is an entire list giving a description or word to describe what is each Chapter about be it their fighting styles or personality and I will say if they are loyal to the Imperium or traitors and I will include that Chapters primach and.
and credit to Bricky since he really sums up each chapter well but I will try to be unique in the way I explain it
| Dark Angels | Emperors Children | Iron Warriors | White Scars | Space Wolves | Imperial Fists | Night Lords | Blood Angels | Iron Hands | World Eaters | Ultramarines | Death Guard | Thousands Sons | Black Leigon | Word Bearers | Salamanders | Raven Guard | Alpha Leigon |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Honor | Perfection | Siege | Speed | Vikings | Defences | Fear and Terror | Blood | Augmentation | KILL THEM ALL | Well rounded | Pestilence | Magic | Zealotry | Let the Galaxy burn | FRIENDSHIP AND FIRE | Stealth | I am Aplharius |
| Lion El Johnson | Fulgrim | Perturabo | Jaghatai Khan | Leman Russ | Rogal Dorne | Conrad Kurze | Sanguinius | Ferrus Manus | Angron | Roubute Gulliman | Mortarion | Magnus | Horus | Lorgar Aurelion | Vulcan | Corvus Corax | Alpharius |
| Loyalist | Heretic | Heretic | Loyalist | Loyalist | Loyalist | Heretic | Loyalist | Loyalist | Heretic | Loyalist | Heretic | Heretic | Heretic | Heretic | Loyalist | Loyalist | Heretic |
