Bad Ending : Don't Send Any Einherjar, Odin Loses, Game Over No Matter What.

Normal Ending : Play The Game Right, Most People Will Get This Ending. Normal.

Good Ending : Pretty Hard To Get
Get Lucian + Mystina
Send Lucian To Asgard Before Chapter 6 Finishes
Keep Valkyrie's Seal Value Less Than 30 Before Chapter 8 By..
+ Visit Weeping Lily Meadow
+ Meet Lucian At Geralbellum
+ Obtain A Character
+ Meet Brahms
+ Meet Lezard
+ Obtain Mystina
+ Obtain Lucian
+ Don't Send ANy Einherjar Except Lucian