Angelripper announced that he had expanded the band's line-up as a four piece. He was rejoined by guitarist Frank "Blackfire" Gosdzik and added Stefan "Husky" Hüskens and Yorck Segatz as the band's new drummer and second guitarist respectively. On 26 February 2018, Sodom cancelled their appearance at the Full Metal Mountain festival "due to the short-term change of line-up and the restructuring of my band Sodom", as explained by Angelripper. He then said that the time was "simply too short to put the new line-up in a solid live set". The new line-up of the band made their live debut on 18 May at the 2018 edition of the Rock Hard Festival. Sodom also participated in the 2018 installment of the MTV Headbangers Ball European Tour with Death Angel, Suicidal Angels and Exodus from late November to mid-December. This new lineup recorded the EPs Partisan (2018) and Out of the Frontline Trench (2019). On 13 January 2020, drummer Stefan "Husky" Hüskens departed the band due to "some changes at [his] full-time job, as well as a few other matters", and would not return in the future. He was replaced by Toni Merkel. On 12 June 2020, Sodom announced that they had begun recording their sixteenth studio album, entitled Genesis XIX, at Woodhouse Studio in Hagen, Germany with producer Siggi Bemm. Mixing of the album was completed in August 2020. A month later, it was announced that the album would be released on 27 November. On 11 May 2021, Sodom announced an upcoming EP titled Bombenhagel, containing a re-recorded version of the song "Bombenhagel" from their 1987 studio album Persecution Mania as well as two new tracks, set to be released on 20 August. In a December 2021 interview with Rockman, Tom Angelripper revealed that Sodom has begun writing new material for their next album. A month later, Sodom was announced as one of the bands to have its contract with SPV/Steamhammer Records renewed. In May 2022, Angelripper said that the band's new album will be released in 2023. To coincide with its 40th anniversary, Sodom released the compilation album 40 Years at War – The Greatest Hell of Sodom on October 28, 2022. The set includes one song from each of the band's studio albums between Obsessed by Cruelty and Genesis XIX, in addition to "Sepulchral Voice" from the In the Sign of Evil EP. Musical style, influences, lyrical themes,