No they feel nothing! And yes when death and the grave are thrown into the lake of fire, both death and the grave will be destroyed (meaning they will have no more hold on mankind)
But you forget th eWord of God and the order it is written:
11 And I saw a great white throne, and him that sat on it, from whose face the earth and the heaven fled away; and there was found no place for them.
12 And I saw the dead, small and great, stand before God; and the books were opened: and another book was opened, which is the book of life: and the dead were judged out of those things which were written in the books, according to their works.
13 And the sea gave up the dead which were in it; and death and hell delivered up the dead which were in them: and they were judged every man according to their works.
14 And death and hell were cast into the lake of fire. This is the second death.
15 And whosoever was not found written in the book of life was cast into the lake of fire.
Death and hell are destroyed first! If they are destroyed they no longer exist! If they no longer exist, then when people are thrown into the lake of fire, death does not exist any more and they suffer forever because of their rejection of Jesus as Messiah! there are several verses that show that people suffer forever in the lake of fire.
Ou forget what God said in Hebrews, it is not the flesh, but teh blood that is given as a sacrifice for sin.
YOu also deny any resurrection. The word is "ana-stasia" which means a standing again. In order for something to stand again it must be laid down (in this case death). So if you reject the bible truth that Jesus "stood again" in His own body He died in- then you are forced to believe He died as a spirit creature for I know you believe in the Watchtower doctrine which adds to teh Bible to try to justify getting people to deny the physical resurrection of Jesus!
YOu err for you know not the Scriptures nor the power of God!
1 Corinthians 15:20
But now is Christ risen from the dead, and become the firstfruits of them that slept.
1 Corinthians 15:23
But every man in his own order: Christ the firstfruits; afterward they that are Christ's at his coming.
3 For I delivered unto you first of all that which I also received, how that Christ died for our sins according to the scriptures;
4 And that he was buried, and that he rose again the third day according to the scriptures:
1 Corinthians 15:35-55
King James Version
35 But some man will say, How are the dead raised up? and with what body do they come?
36 Thou fool, that which thou sowest is not quickened, except it die:
37 And that which thou sowest, thou sowest not that body that shall be, but bare grain, it may chance of wheat, or of some other grain:
38 But God giveth it a body as it hath pleased him, and to every seed his own body.
39 All flesh is not the same flesh: but there is one kind of flesh of men, another flesh of beasts, another of fishes, and another of birds.
40 There are also celestial bodies, and bodies terrestrial: but the glory of the celestial is one, and the glory of the terrestrial is another.
41 There is one glory of the sun, and another glory of the moon, and another glory of the stars: for one star differeth from another star in glory.
42 So also is the resurrection of the dead. It is sown in corruption; it is raised in incorruption:
43 It is sown in dishonour; it is raised in glory: it is sown in weakness; it is raised in power:
44 It is sown a natural body; it is raised a spiritual body. There is a natural body, and there is a spiritual body.
45 And so it is written, The first man Adam was made a living soul; the last Adam was made a quickening spirit.
46 Howbeit that was not first which is spiritual, but that which is natural; and afterward that which is spiritual.
47 The first man is of the earth, earthy; the second man is the Lord from heaven.
48 As is the earthy, such are they also that are earthy: and as is the heavenly, such are they also that are heavenly.
49 And as we have borne the image of the earthy, we shall also bear the image of the heavenly.
50 Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither doth corruption inherit incorruption.
51 Behold, I shew you a mystery; We shall not all sleep, but we shall all be changed,
52 In a moment, in the twinkling of an eye, at the last trump: for the trumpet shall sound, and the dead shall be raised incorruptible, and we shall be changed.
53 For this corruptible must put on incorruption, and this mortal must put on immortality.
54 So when this corruptible shall have put on incorruption, and this mortal shall have put on immortality, then shall be brought to pass the saying that is written, Death is swallowed up in victory.
55 O death, where is thy sting? O grave, where is thy victory?