race features:
Fury of Gruumsh. You have advantage on attack and damage rolls on targets with less than all of their hit points.
Stamina of Luthic. You can survive a fatal blow by turning the critical hit into a normal hit. If you have above 0 hit points after doing so, you regain half your hit points.
You are a member of the most destructive, intelligent and fierce Orc tribe that ever was. You are able to channel fear into one enemy or elf.