Originally Posted by
LeadDemon
My assumption was just that Gil benefited more from deification to Heroic Spirit than Enkidu did. As living beings, they were equivalent, but Gil's gains from becoming a Heroic Spirit include stuff like retroactively having every 'legend' even if it's a paradox for him to have it and all of that, whereas Heroic Spirit Enkidu, as far as we know currently, is pretty 1:1 for living Enkidu. If one part gets significant gains from that and the other doesn't, a gap forms.
That said, Enkidu's still "Gil's equal" inherently, so just since Heroic Spirits are stories and etc etc, I'd think if they fought it'd be a double KO regardless, but eh.