A loose and ragged band of berzerkers, barbarians, criminals and vagabonds, the Blood Wolves have all come together to a dual purpose. Each of the Wolves are beholden and worship the same patron Little God, the Crimson Slashing Jaw. They are also a semi-cohesive mercenary force for hire. Their rates are low, and their morals are non-existant.
A military organization, the Stalkers are a hunting/mining militia that are known for wearing full body shrouds that easily hide them in snow and other slushy terrain. The lightly armored warriors are known for the speed, stealth, and the vicious wounds inflicted by their hunting hatchets. Many of the Stalkers keep crop-eared warhounds with them, both for hunting, companionship, and in war.
In a savage area, the bodies of the dead are cremated, and their ashes are placed in a hollowed out pod like a gourd or a coconout and tossed into a river to bring good luck to the tribe.
Orcs record their deeds through symbolic mutilation, scarring and tattoo. Perhaps creating the medium of skin as art, which humans followed later. Perhaps tattoos remind the elves of orcs and make them angry...
Magic is the lifeforce of all living creatures, and it is from it that all life is made - in areas with lots of undead, magic might actually be missing or weak, which puts a whole new spin on how dangerous the undead are. Even simple zombies can be troublesome if you're relying on mages and you hit a pocket of undead making a low-magic zone...