You can get Biometrics through the following places:
Elite Missions
Special Missions
Villain Siege
Dimension Rift
Dimension Shift

You can get Norn stones through the following places:
Elite Missions
Bonus Missions

Hero Rank Up Biometrics Requirement:
(Rank Up / Overall)
１＊＝１０／１０
２＊＝２０／３０
３＊＝４０／７０
４＊＝８０／１５０
５＊＝１６０／３１０
６＊＝３２０／６３０

(Mastery / Overall)
１＊＝３０／３０
２＊＝６０／９０
３＊＝９０／１８０
４＊＝１２０／３００
５＊＝１５０／４５０
６＊＝１８０／６３０