You can get a first impression of the the album with this video trailer:
Gotensaga was mixed in Studio E "Klangschmiede" by Markus Stock (THE VISION BLEAK), mastered in Finnvox Studio Helsinki (NIGHTWISH, SENTENCED) by Mika Jussila and will be available on March 22nd, in CD format with an 8-page booklet, 24-page story book and metal box case, and mp3 download edition.
The album artwork can be seen below:

Tracklisting:
'Aufbruch zur groben Wanderung'
'Der Goten Eid'
'Die Seherin'
'Töchter schnellen Wassers'
'Der Hörner Ruf'
'Reka'
'Der Abschied'
'Alewars Schmiede'
'Witirichs Recken'
'Stadt aus Asche'
'Epilog'

Band lineup:
Johann Frey - Lead, Rhythm Guitars and Vocals
Aria Keramati Noori - Lead and Rhythm Guitars
Todd Goldfinger - Bass Guitar
Tomasz "Nefastus" Janiszewski - Drums
Julian Pešek - Keyboards
More on Tervingi at this location.