So the outcome for both of them is that they will be (59:17)

﴿فَكَانَ عَاقِبَتَهُمَا أَنَّهُمَا فِي النَّارِ خَالِدَيْنِ فِيهَا ۚ وَذَٰلِكَ جَزَاءُ الظَّالِمِينَ﴾
[ الحشر: 17]

59:17 So the outcome for both of them is that they will be in the Fire, abiding eternally therein. And that is the recompense of the wrong-doers.

So the ultimate outcome of Satan and whoever followed him will be that they ( meaning the followed Satan and the human followers of his ) will be in the hellfire on the Day of Judgement, wherein they shall have to remain forever.
That requital that awaits them is the requital of those who oppress themselves by trespassing the limits of Allah.

So the end of both will be that they will be in the Fire, abiding therein. Such is the recompense of the Zalimun (i.e. polytheists, wrong-doers, disbelievers in Allah and in His Oneness, etc.).

phonetic Transliteration

Fakana AAaqibatahuma annahuma fee alnnari khalidayni feeha wathalika jazao alththalimeena

Abdullah Yusuf Ali - Translation

The end of both will be that they will go into the Fire, dwelling therein for ever. Such is the reward of the wrong-doers.

Safi-ur-Rahman al-Mubarakpuri

So, the end of both will be that they will be in the Fire, abiding therein. Such is the recompense of the wrongdoers.

Page 548 English transliteration