Implicating god_of_hyperdeath → asriel_dreemurr
Link to implication

Reason:

Different form of same character. If we're not implicating forms to characters any more then add implication:
god_of_hyperdeath → undertale

This got brought up before and the answer last time was no for the same reason mega forms of pokemon arent implicated to their nlrmal form.

Furthermore, the "God of Hyperdeath" technically refers to both the well dressed adult asriel and the classical angel styled polygon asriel at the very end. Neither of which are his true basic form.

Consequently you wouldnt tag flowey and expect it to be implied to asriel either.

I do agree that the form should imply undertale however.