There are over 162 references in the New Testament alone which warns of hell. Over 70 of these references were uttered by Jesus himself
It’s difficult to ignore:
-Matthew 10:28: "Do not be afraid of those who kill the body but cannot kill the soul. Rather, be afraid of the One who can destroy both soul and body in hell."
-Matthew 23:33: “You snakes! You brood of vipers! How will you escape being condemned to hell?”
-Matthew 25:41: "Then he will say to those on his left, ‘Depart from me, you who are cursed, into the eternal fire prepared for the devil and his angels.' "
-Luke 13:28: “There will be weeping there, and gnashing of teeth, when you see Abraham, Isaac and Jacob and all the prophets in the kingdom of God, but you yourselves thrown out.”
-Luke 16:23: "In Hades, where he was in torment, he looked up and saw Abraham far away, with Lazarus by his side."