A "deaf and dumb" spirit is identified in Mark 9:25. Demons of various natures operate as spirits of infirmity, seducing spirits, and unclean spirits.
Isang bingi at pipi na espiritu ay nagpakilala sa Marcos 9:25. Mga demonio ng iba t ibang uri ay kumikilos bilang mga espiritu ng sakit, espiritung nangdaraya, at maruruming espiritu.