first art
Darkterror used elemental's powers to stay afloat in his fights with Clasz. in final one Bane's 'body' was damaged and his own essence was depleted also, but Darkterror who consumed powers of conquered god wants to save his companion by giving the part of his new forces to elemental.
The nightmare essence united with power of timelord god. Bane elemental wakes up from the unknown flow in his body and discovers himself ready to spread nightmares and terror in every nook of this damned Universe, in the name of Darkterror...
this part is more to show how i see Bane's arcana receiving. fin

in short: bane's familiar of fvoid and gets his arcana by helping timelord xdxd