Universalism is a false doctrine of demons.
Jesus died and paid the price for all, yes. But only those who accept Him and obey Him are redeemed/saved.
Matt 7:13; "Enter through the narrow gate; for the gate is wide and the way is broad that leads to destruction, and there are many who enter through it.
Matt 7:14; "For the gate is small and the way is narrow that leads to life, and there are few who find it
Luke 13:23; And someone said to Him, "Lord, are there just a few who are being saved?" And He said to them,
Luke 13:24; "Strive to enter through the narrow door; for many, I tell you, will seek to enter and will not be able.
Luke 13:26; "Then you will begin to say, 'We ate and drank in Your presence, and You taught in our streets';
Luke 13:27; and He will say, 'I tell you, I do not know where you are from; DEPART FROM ME, ALL YOU EVILDOERS.'
Matt 7:21; "Not everyone who says to Me, 'Lord, Lord,' will enter the kingdom of heaven, but he who does the will of My Father who is in heaven will enter.
Matt 7:22; "Many will say to Me on that day, 'Lord, Lord, did we not prophesy in Your name, and in Your name cast out demons, and in Your name perform many miracles?'
Matt 7:23; "And then I will declare to them, 'I never knew you; DEPART FROM ME, YOU WHO PRACTICE LAWLESSNESS.'
Rev 20:13; And the sea gave up the dead which were in it, and death and Hades gave up the dead which were in them; and they were judged, every one of them according to their deeds.
Rev 20:14; Then death and Hades were thrown into the lake of fire. This is the second death, the lake of fire.
Rev 20:15; And if anyone's name was not found written in the book of life, he was thrown into the lake of fire.