'EONIAN' marked another milestone along the ever developing path of DIMMU BORGIR. Co-Produced by Jens Bogren (OPETH, AMORPHIS, AMON AMARTH), it featured a real choir and a unique artwork by famed artist Zbigniew Bielak. Long time keyboardist Gerlioz (SATYRICON, ex-APOPTYGMA BERZERK) also returned to the fold. For both the band and the listener, 'EONIAN' might represent their most ambitious and challenging work to date.