nocuous 
adjective noc·u·ous \ˈnä-kyə-wəs\
definition 

:  harmful
— noc·u·ous·ly adverb

Don’t be scared of the monsters, 
just look for them.
Look to your left, to your right, under your bed,
behind your dresser, in your closet
but never look up,
he hates being seen.
(AnarchistWaffles)