Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Infernus
Table title:
Discography
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Title </th><th colspan=1 rowspan=1 > Band </th></tr>
<tr> <td colspan=1 rowspan=1 > 1993 </td><td colspan=1 rowspan=1 > A Sorcery Written in Blood </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=1 > Promo '94 </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 1994 </td><td colspan=1 rowspan=1 > Pentagram </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 1996 </td><td colspan=1 rowspan=1 > Antichrist </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 1996 </td><td colspan=1 rowspan=1 > The Last Tormentor </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 1996 </td><td colspan=1 rowspan=1 > Borknagar </td><td colspan=1 rowspan=1 > Borknagar </td></tr>
<tr> <td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > Under the Sign of Hell </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 1997 </td><td colspan=1 rowspan=1 > Desekrator Demo </td><td colspan=1 rowspan=1 > Desekrator </td></tr>
<tr> <td colspan=1 rowspan=1 > 1998 </td><td colspan=1 rowspan=1 > Metal for Demons </td><td colspan=1 rowspan=1 > Desekrator </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1998 </td><td class="highlighted"  colspan=1 rowspan=1 > Destroyer </td><td class="highlighted"  colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 1999 </td><td colspan=1 rowspan=1 > Hot in the City/Overdose/Take Us to the Pub </td><td colspan=1 rowspan=1 > Desekrator </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2000 </td><td class="highlighted"  colspan=1 rowspan=1 > Incipit Satan </td><td class="highlighted"  colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 2002 </td><td colspan=1 rowspan=1 > Demo 2002 </td><td colspan=1 rowspan=1 > Orcustus </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > World Dirtnap </td><td colspan=1 rowspan=1 > Orcustus </td></tr>
<tr> <td colspan=1 rowspan=1 > 2003 </td><td colspan=1 rowspan=1 > Twilight of the Idols </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > Wrathrash </td><td colspan=1 rowspan=1 > Orcustus </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > A Norwegian Hail to Von </td><td colspan=1 rowspan=1 > Norwegian Evil </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > Ad Majorem Sathanas Gloriam </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > Bergen 1996 </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > Black Mass Krakow 2004 </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > True Norwegian Black Metal - Live in Grieghallen </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Orcustus </td><td colspan=1 rowspan=1 > Orcustus </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Quantos Possunt ad Satanitatem Trahunt </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Under the Sign of Hell 2011 </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > Instinctus Bestialis </td><td colspan=1 rowspan=1 > Gorgoroth </td></tr>
</table>
Question:
What were the work of Infernus between 1998-2000 for Gorgoroth?
Answer:
Infernus worked for two Gorgoroth albums, Destroyer (1998) and Incipit Satan (2000).