"2018 33 track, two-disc collection of their finest and most pivotal songs as well as the previously unreleased "I Will Not Serve". Compiled by founder/frontman Sakis Tolis, 'Their Greatest Spells' traces the the ascent of these black metal titans from their primal early days to their rightful place today among the genre's all-time elite".

• 1-1 The Sign Of Prime Creation
• 1-10 Serve In Heaven
• 1-11 Astral Embodiment
• 1-12 After Dark I Feel
• 1-13 Sorrowfull Farewell
• 1-14 In Yumen-Xibalba
• 1-15 Elthe Kyrie
• 1-16 Cold Colours
• 1-2 Athanati Este
• 1-3 Non Serviam
• 1-4 King Of A Stellar War
• 1-5 Nemecic
• 1-6 Grandis Spiritus Diavolos
• 1-7 Art Of Sin
• 1-8 Dying
• 1-9 Archon
• 2-1 The Sign Of Evil Existence
• 2-10 Welcome To Hel
• 2-11 A Dynasty From The Ice
• 2-12 Shadows Follow
• 2-13 Forest Of N’gai
• 2-14 Feast Of The Grand Whore
• 2-15 Exiled Archangels
• 2-16 Saturn Unlock Avey’s Son
• 2-17 I Will Not Serve
• 2-2 Fgmenth Thy Gift
• 2-3 Ze Nigmar
• 2-4 Phobo's Synagogue
• 2-5 Demonon Vrosis
• 2-6 ...Pir Threontai
• 2-7 Kata Ton Daimona Eaytoy
• 2-8 Among Two Storms
• 2-9 Semigod