What to do when the old family business runs dry?
The mining shaft emptied of treasures, the slaves spent and broken...
You start building a bloodbowl team to earn some coin and share the
delights of torture and pain with the world, like only the deepest,
blackest pits have to offer.

The cold blue inner glowing of the ever-ice became part of
its miners, having seeped into their very skin, eyes and hair/beards
over the decades, which got them the nickname icedwarfs back in the day.

As a newly formed team without much financial means at the
moment, the Coldrender Clan chose to simply wear their old miners gear, slightly modified.