Unfeeling; pitiless; callous.
Inured; toughened.
Firmly established or unlikely to change; inveterate.
Having extra defences against attack; highly fortified.
Stupefied; dazed; nonfunctional.
Standing erect but not consciously aware of one's surroundings, or only minimally aware, and having little or no ability to control one's bodily actions, as a result of physical injury or exhaustion.