Eldrich can be used as given below examples,
He was lost in a dark tunnel but suddenly he saw an eldrich ray of light which he followed and got out of the tunnel.
Her elrich eyes always fascinated others.
Adjective eldrich: unearthly, old ruler, weird, strange, spooky, uncanny
The word “Eldrich” has Germanic origins. It is used as a baby boy’s name.
Eldrich has synonyms like eldritch, eldric, eldridge