Characterized by intense feeling
Ardent
Appearance
Countenance
Fearless, intrepid, bold
Dauntless
Extremely disturbing or distressing
Harrowing
Steady persistence
Perseverance
To express sorrow or sympathy
Commiserate
To perceive by the sight or some other sense
Discern
The devil, evil spirit
Fiend
Horrible or frightful to the senses
Hideous
Anything happening that is believed to portend a good or evil event
Omen