AnonymityX1000
Veteran
timestamped.
and the Necro Sword basically channels knulls power.
Eric Voss said it is probably Kaa so we got opposing points from 2 prominent youtube theorists (Eric is better than this guy BTW lol).
Go to 3:15:
Also, since Knull is connected to symbiote I don't think they can just use him like that without permission from Sony. If it was Knull who is a big character I think they would have said so.