This has all been mentioned before in various threads.
Matt 11:23; "And you, Capernaum, will not be exalted to heaven, will you? You will descend to Hades; for if the miracles had occurred in Sodom which occurred in you, it would have remained to this day.
Matt 16:18; "I also say to you that you are Peter, and upon this rock I will build My church; and the gates of Hades will not overpower it.
Luke 10:15; "And you, Capernaum, will not be exalted to heaven, will you? You will be brought down to Hades!
Luke 16:23; "In Hades he lifted up his eyes, being in torment, and *saw Abraham far away and Lazarus in his bosom.
Rev 1:18; and the living One; and I was dead, and behold, I am alive forevermore, and I have the keys of death and of Hades.
Rev 6:8; I looked, and behold, an ashen horse; and he who sat on it had the name Death; and Hades was following with him. Authority was given to them over a fourth of the earth, to kill with sword and with famine and with pestilence and by the wild beasts of the earth.
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.
Acts 2:27; BECAUSE YOU WILL NOT ABANDON MY SOUL TO HADES, NOR ALLOW YOUR HOLY ONE TO UNDERGO DECAY.
Acts 2:31; he looked ahead and spoke of the resurrection of the Christ, that HE WAS NEITHER ABANDONED TO HADES, NOR DID His flesh SUFFER DECAY.
Jesus talks about hell/hades more than anyone else in the Bible. In the first five verses above, Jesus is speaking of hades. In the first eleven verses below Jesus is speaking of hell.
In fact out of the 23 verses listed here. Jesus is speaking in 16 of them. More than 2/3rds of the verses in the New Testament about hell/hades are Jesus Himself speaking.
Matt 5:22; "But I say to you that everyone who is angry with his brother shall be guilty before the court; and whoever says to his brother, 'You good-for-nothing,' shall be guilty before the supreme court; and whoever says, 'You fool,' shall be guilty enough to go into the fiery hell.
Matt 5:29; "If your right eye makes you stumble, tear it out and throw it from you; for it is better for you to lose one of the parts of your body, than for your whole body to be thrown into hell.
Matt 5:30; "If your right hand makes you stumble, cut it off and throw it from you; for it is better for you to lose one of the parts of your body, than for your whole body to go into hell.
Matt 10:28; "Do not fear those who kill the body but are unable to kill the soul; but rather fear Him who is able to destroy both soul and body in hell.
Matt 18:9; "If your eye causes you to stumble, pluck it out and throw it from you. It is better for you to enter life with one eye, than to have two eyes and be cast into the fiery hell.
Matt 23:15; "Woe to you, scribes and Pharisees, hypocrites, because you travel around on sea and land to make one proselyte; and when he becomes one, you make him twice as much a son of hell as yourselves.
Matt 23:33; "You serpents, you brood of vipers, how will you escape the sentence of hell?
Mark 9:43; "If your hand causes you to stumble, cut it off; it is better for you to enter life crippled, than, having your two hands, to go into hell, into the unquenchable fire,
Mark 9:45; "If your foot causes you to stumble, cut it off; it is better for you to enter life lame, than, having your two feet, to be cast into hell,
Mark 9:47; "If your eye causes you to stumble, throw it out; it is better for you to enter the kingdom of God with one eye, than, having two eyes, to be cast into hell,
Luke 12:5; "But I will warn you whom to fear: fear the One who, after He has killed, has authority to cast into hell; yes, I tell you, fear Him!
Jas 3:6 And the tongue is a fire, the very world of iniquity; the tongue is set among our members as that which defiles the entire body, and sets on fire the course of our life, and is set on fire by hell.
2Pet 2:4 For if God did not spare angels when they sinned, but cast them into hell and committed them to pits of darkness, reserved for judgment;
Matt 5:22; and Matt 18:9; say the "fiery" hell. Mark 9:43; says it is an "unquenchable" fire.
Luke 16:23; "In Hades he lifted up his eyes, being in torment, and *saw Abraham far away and Lazarus in his bosom.
Luke 16:24; "And he cried out and said, 'Father Abraham, have mercy on me, and send Lazarus so that he may dip the tip of his finger in water and cool off my tongue, for I am in agony in this flame.'
Luke 16:25; "But Abraham said, 'Child, remember that during your life you received your good things, and likewise Lazarus bad things; but now he is being comforted here, and you are in agony.
Luke 16:28; for I have five brothers—in order that he may warn them, so that they will not also come to this place of torment.'
In the story of Lazarus and the rich man, ( Jesus is speaking here also ) verses 23 and 28 say he is in torment, hades is a place of torment. In verse 24 he says he is in agony.
But as bad as hell is... there is a worse place.