The tracks of Emperor 's Return were remastered .
The tracks of Emperor 's Return were re-released in the 1999 edition of Morbid Tales and yet again remastered and included in the 2017 edition of To Mega Therion .
The tracks of Emperor 's Return were remastered and re-released in the 1999 edition of Morbid Tales and yet again remastered and included in the 2017 edition of To Mega Therion .