Yamada Urara's comments

yup confirmed, Claudi is another soul instead of custom character made by MC

white hair

just FYI.. ERZA mother was the 1st Dragon Slayer.. who could not control the dragon slaying magic and became the 1st Human to become a Dragon too

Also this fantasy of game world fusing with reality where everyone that became explorer are actually player who fuses with their game character that they wrote themselves is awesome.. where they don't actually explain how the other assimilate with their character but here they show that MC wrote his character, like so much detailed... that the game has his character write into the game lore itself.... basically saying MC wrote an entire novel with so many chapters just for his ingame character.... but he himself believe that it's was he's old chunibyu younger self which he is embarrassed by so much..... that he forget what he wrote for his own character... which his character actually came to live instead of assimilate with him and he just went third person mode... but what kinda of devs just let someone wrote their own character so detailed without limit... bruhhh

so yeah instead of a mind transfer, just make a portal and go there physically...

some of you made a theory that his brother is "pride".. but this is seed of "envy" that shows the past.. so no...... my theory? Granfell's family (House Claudi) is the Dark Family that have the Dark Magic but kind.. His Older Brother is consumed by Darkness from the family's Dark magic, They all have the right to the power of Darkness(all 7 deadly sin).. His Older Brother is the male heir to the family but Grandfell showed more promise than he does and made him "abhor" Grandfell... the end