The Scarlet Letter

Some people begin to compare Chillingworth to the devil.

"something ugly and evil in his face."

They also begin to believe that he might be practicing the "black arts".

Two or three individuals hinted that the man of skill, during his Indian captivity, had enlarged his medical attainments by joining in the incantations of the savage priests, who were universally acknowledged to be powerful enchanters, often performing seemingly miraculous cures by their skill in the black art.