Unicorns in the Bible

Why does the Bible mention unicorns when they are mythical creatures?
This video explores this subject.

Heard the good news?
https://rumble.com/vm9asu-the-gospel.html

Scriptures addressed in this video:
Numbers 23:22
Numbers 24:8
Deuteronomy 33:17
Job 39:9
Job 39:10
Psalm 22:21
Psalm 29:6
Psalm 92:10
Isaiah 34:7