According to 2 Corinthians 11:14, Satan himself masquerades as what?

Answer: An angel of light

Warning about false apostles, Paul says it is no wonder, "for Satan himself masquerades as an angel of light."

“For such men are false apostles, deceitful workers, masquerading as apostles of Christ. And no wonder, for Satan himself masquerades as an angel of light.”— 2 Corinthians 11:13-14 (BSB)