Everlasting Fire?...Prepared for the Devil or Devils???.....& How to resist the Devil!

Matthew 25:41 Then shall he say also unto them on the left hand, Depart from me, ye cursed, into everlasting fire, prepared for the devil and his angels:

Here we will be talking about who the Devil is and what are Devils (plural).
Also we will be talking about how one truly resist the devil.

James 4:7 Submit yourselves therefore to God. Resist the devil, and he will flee from you.