Tharen is the second stage name that vocalist Alexander Optiz took for the Austrian black metal band Abigor. He is formerly known as, within the band, Rune.
ALBA
Dargaard
Rise And Fall
2004
Dominion III
Life Has Ended Here
2002
Dargaard
The Dissolution Of Eternity
2001
Dargaard
In Nomine Aeternitatis
2000
Thy Darkened Shade / Amestigon / Inconcessus Lux Lucis / Shaarimoth
SamaeLilith: A Conjunction Of The Fireborn
2021
Amestigon
Sun Of All Suns
2010, 
,
, Black Metal
Dominion³*
The Hand And The Sword
2000, 
,
, Darkwave/Neo-Classical/Industrial/Ambient
Dargaard
Eternity Rites
1998
Různí
Doom & Gloom Act 2
2001, 2xCD, Comp, Gloomy Prophecies, ,
, Goth Rock/Darkwave/Electro/EBM/Industrial
KOMPILACE +
Amestigon
Mysterious Realms
2024, LP, Comp, Kyrck Productions
Abigor
Verwüstung / Invoke The Dark Age
2021
Nocternity
EPs MCMXCVIII - MMX
2021, 
,
, Black Metal
Abigor
Four Keys To A Foul Reich (Songs Of Pestilence, Darkness And Death)
2019
Amestigon
Remembering Ancient Origins
2017
Abigor
Kingdom Of Darkness
2016
Amestigon
Thier
2015
Abigor
1994-1998: The Complete Hörnix Recordings
2015
Dominion III
Demon
2014, File, AAC, AIFF, ALAC, FLAC, MP3, ogg, WAV, Not On Label (Dominion III Self-released)
Dominion III
Heat
2014, File, AAC, AIFF, ALAC, FLAC, MP3, ogg, WAV, Not On Label (Dominion III Self-released)
Astriaal
Renascent Misanthropy
2012
Der Blutharsch
Flying High!
2009
Abigor
Orkblut - The Retaliation
2006
Dominion III
I Hate
2005
Nåstrond / Nocternity
Vargtid / Times Of Mist
2005
Různí
Grabesgesänge Der Schwarzen Engel 2
2004, CD, Comp, Angelstar, ,
, EBM/Electro/Goth Rock/Industrial
Různí
Gothic Compilation Part XXIII
2004, CD, Comp, Enh + CD, Comp, Batbeliever Releases, ,
, EBM/Industrial/Goth Rock/Ethereal
Různí
Elegy Sampler 33
2004, CD, Smplr, Elegy, 
,
, Industrial/EBM/New Wave/Electro/Goth Rock/Experimental
Různí
Orkus Compilation XV
2004, CD, Comp, Enh, Orkus, ,
, Symphonic Rock/Electro/Ethereal/Industrial
Různí
Lunas Fantastische Musik Vol. 1 - Helden, Mythen & Magie
2003, CD, Comp, jew, Totentanz, ,
, Darkwave/Goth Rock/Synthwave/Gothic Metal/Folk/Medieval
Hellbound / Amestigon
Fatal Illumination / Nebelung, 1384
2002, CD, Millenium Metal Music
Dominion III
Life Has Ended Here
2002
Různí
CD Side 5
2001, CD, Smplr, D-Side, ,
, Alternative Rock/EBM/Industrial/Goth Rock
Různí
Elegy - Numéro 17
2001, CD, Smplr, Elegy, ,
, Alternative Rock/Industrial/EBM/Death Metal/Electro/Goth Rock/Synth-pop
Různí
Angels' Delight 2
2000, 2xCD, Comp, Zoomshot Media Entertainment, Angelwings, ,
, Darkwave/Synth-pop/Ambient
Různí
Sonic Seducer Cold Hands Seduction Vol. III
2000, CD, Comp, Sonic Seducer, ,
, Folk Rock/EBM/Black Metal/Goth Rock
Amestigon
Höllentanz
1998, CD, MiniAlbum, Napalm Records
Abigor
Supreme Immortal Art
1998
Heidenreich
A Death Gate Cycle
1998
Amestigon / Angizia
Mysterious Realms / Heidebilder
1996, CD, Album, Napalm Records
Dargaard
In Nomine Aeternitatis
2000