Hunter's Coursing and Retrieve can not use with boss?

[x_uoxaj]

I just want to know. It’s a skill condition or a bug?

[greyhiem]

It is a skill condition.

Use Rushdog vs bosses.
Snatching works vs Flying Boss.

[BurningFighter]

Vs ground bosses only rush dog works.
Vs flying bosses snatching and rush dog.