others. 2003 was the year of another tour – this time with Hell-Born and Quo Vadis and an appearance on the famous Metalmania Festival together with Samael, Marduk, Vader, Saxon and Malevolent Creation. On 3 March 2003 Übermensch (Death of God) was released worldwide and Lost Soul embarked on Empire Invasion Tour with Dies Irae, Hate and Esqarial. After that tour Paweł Michałowski left the band and was replaced by returning member, Tomasz Fornalski. In April 2004 this line-up recorded in Hertz Studio the third full length album entitled Chaostream, where for the first time Lost Soul decided to use 7-string guitars during recordings. In July Tomasz Fornalski quit and was replaced by Damian "Czajnik" Czajkowski. In October Lost Soul took part in Blitzkrieg II tour playing together with Vader, CETI and Crionics in 17 cities in Poland. Chaostream was released in 2005 – this time via Wicked World Records (Earache Records sublabel). Cover artwork was designed by Greek artist Seth Siro Anton. The album was promoted on three tours. First on was Mega Strike Europe in Chaos Tour during April and May 2005 together with Fleshgore and Sanatorium - 24 cities in 10 European countries. Then followed Summer Tour 2005, together with Vader i Desecreation, all bands played 10 gigs in 3 countries. Third tour was Blitzkrieg III spanning 48 cities in Poland and Europe. Lost Soul shared the stage with Anorexia Nervosa, Rotting Christ and Vader. In 2006 the band was split - Adam Sierżęga and Piotr Ostrowski left its ranks. In 2008 the band returned to full activity with Krzysztof "Desecrate" Szałkowski on drums (also in Naamah, Pyorrhoea and Gortal). At the beginning of 2009 second guitar player Dominik "Domin" Prykiel completed the line-up and Lost Soul started working on the fourth album Immerse in Infinity. This album was released on 6 October 2009 by Witching Hour Productions. The band together with Endorfina video company recorded promotional videoclip for the song "...If The Dead Can Speak". The band took part in Blitzkrieg V tour for two concerts together with Vader and Marduk presenting new songs from the album Immerse in Infinity. In 2010 Lost Souls toured again – this time as special guest on 11 concerts of Aealo Tour with Rotting Christ. During summer the band played several open-air festivals including XV Brutal Assault in Czech Republic, and played some separate concerts supporting Bolt Thrower and Gojira.