Question: The blade was like none Ca'daan had ever seen.
The blade that pierced through his chest was like none he had ever seen.

Answer: it is not possible to tell

Question: You were in fact offering it, as you'll see if you go back to the original, not as a considered characterization of my views, but as a way of introducing your own traditional/cultural explanation.
If you go back and look, you'll see that you offered it in order to introduce your own explanation.

Answer: yes

Question: A thorough risk assessment also allows entities to target high-risk areas and, therefore, to focus often limited resources where the greatest exposure exists.
A risk assessment is 90% effective in utilizing limited resources effectively.

Answer:
it is not possible to tell